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留言者: hollister uk 
 
Israel has repeatedly threatened to act militarily should Iran appear to be on the verge of obtaining a bomb" why wanting to be "liked" holds women back in the workplace. the court's ultimate ruling may only apply to California. shut down production an hour after the distress signs were seen. When the former president was done with his remarks. The Obama campaign deemed the complaints "faux outrage." She also says it should give people hope that even if they lost their house," Wachenheim went to law school at Columbia University,but Davenport allegedly insisted they go on Communications Senior Correspondent. this year.
2014-11-26 07:58:22

留言者: gypgdj ugxkob 
 
Perhaps no one would understand me, why the university must make yourself so tired, school, car, open a small restaurant, buy tickets for the World Park, and now the Chinese peace. In fact, many times
2014-11-26 07:56:50

留言者: Hyperdunk 
 
Credit: Stephen Clark/Spaceflight NowPHOTOS: Soyuz rolls to French Guiana launch padRussian engineers rolled a Soyuz 2-1b rocket to the launch pad at the Guiana space Center on Oct. 8 and hoisted the booster vertical on its launch mount. On Oct. 9, workers transported the Soyuz payload fairing housing two Galileo in-orbit validation satellites and a Fregat-MT upper stage to the launch pad.The fairing was lifted atop the Soyuz rocket inside the pad's mobile service tower.Liftoff is scheduled for Oct. 12 at 1815 GMT (2:15 p.m. EDT).Spaceflight Now +Premium video content for our Spaceflight Now Plus .Soyuz on the moveExpedition 12 Soyuz commander Valery Tokarev and station commander Bill McArthur temporarily leave the International Space Station. They undocked their Soyuz capsule from the Pirs module and then redocked the craft to the nearby Zarya module. The move clears Pirs for use as the airlock for an upcoming Russian-based spacewalk.Pluto New HorizonsCheck out NASA's Pluto-bound New Horizons spacecraft undergoing thermal blanket installation inside the cleanroom at Kennedy Space Center's Payload Hazardous Servicing Facility in preparation for launch in January from the Cape.Mountains of creationA new image from NASA's Spitzer Space Telescope reveals billowing mountains of dust ablaze with the fires of stellar youth. The majestic infrared view from Spitzer resembles the iconic "Pillars of Creation" picture taken of the Eagle Nebula in visible light by NASA's Hubble Space Telescope.Space history: STS-51AThis week marks the anniversary of arguably the most daring and complex space shuttle mission. The astronauts successfully launched two satellites and then recovered two others during extraordinary spacewalks by astronauts using jet-propelled backpacks and pure muscle power.Space station EVACommander Bill McArthur and flight engineer Valery Tokarev conduct a 5 1/2-hour spacewalk outside the International Space Station, installing a TV camera, doing repair chores and jettisoning a failed science probe.The Earth from spaceReturn to flight space shuttle commander Eileen Collins narrates an interesting slide show featuring some favorite photographs of Earth taken during her previous shuttle missions.Privately-built capsule takes off bound for space station SPACEFLIGHT NOWPosted: October 7, 2012 SpaceX launched the first commercial resupply mission to the International Space Station on Sunday, putting the privately-built Dragon spacecraft into orbit despite an engine anomaly moments after liftoff of the Falcon 9 rocket from Florida. Liftoff of the Falcon 9 rocket from Cape Canaveral was at 8:35 p.m. EDT. Credit: NASA/Tony Gray and Rick WetheringtonThe successful launch kicks off work on a $1.6 billion contract between SpaceX and NASA covering 12 cargo delivery flights to the space station over the next few years.The mission is the first commercial resupply flight to the space station, which is regularly serviced by government-owned freighters from Russia, Europe and Japan. It also marks the resumption of U.S. resupply missions following the retirement of the space shuttle."This was a critical event for NASA and the nation tonight," said NASA Administrator Charlie Bolden. "Just over a year after the retirement of the space shuttle, we have returned space station resupply missions to U.S. soil."Following a successful test flight in May, SpaceX received approval from NASA in August to begin 12 unmanned logistics sorties to the complex scheduled over the next four years."Overall, this one was a little bit easier, from my perspective," said Gwynne Shotwell, SpaceX's president.The cargo-laden Dragon capsule lifted off at 8:35 p.m. EDT Sunday (0035 GMT Monday) from SpaceX's launch pad at Cape Canaveral Air Force Station, Fla.The Falcon 9 rocket left a trail of orange fire in its wake as the 157-foot-tall launcher climbed through clouds, creating a waning glow as the vehicle disappeared from the view of spectators.But powerful optical cameras positioned around Cape Canaveral recorded a dramatic puff in the rocket's fiery exhaust. The event was accompanied by what appeared to be debris tumbling beneath the launcher.SpaceX founder and CEO Elon Musk said the Falcon 9 rocket detected an anomaly with an engine and shut it down.Shotwell said in a post-launch press conference there was a problem with Engine No. 1, which sits on the corner of the first stage's tic-tac-toe pattern of Merlin 1C engines."Falcon 9 detected an anomaly on one of the nine engines and shut it down," Musk said in an email to Spaceflight Now. "As designed, the flight computer then recomputed a new ascent profile in realtime to reach the target orbit, which is why the burn times were a bit longer."The first stage burned nearly 30 seconds longer than designed, and the Falcon 9's second stage also fired longer than planned, compensating for the loss of performance and still placing the Dragon spacecraft in a nearly perfect orbit between 122 miles and 203 miles above Earth. "Like Saturn 5, which experienced engine loss on two flights, the Falcon 9 is designed to handle an engine flameout and still complete its mission," Musk said. "I believe Falcon 9 is the only rocket flying today that, like a modern airliner, is capable of completing a flight successfully even after losing an engine. There was no effect on Dragon or the space station resupply mission."SpaceX said more information would be released Monday on the engine mishap.According to Shotwell, the Falcon 9 deployed a two-way communications satellite for Orbcomm Inc. No information was available late Sunday on the state of the satellite's health.The Dragon spacecraft will fine-tune its approach to the space station over the next two days and reach the complex Wednesday.The ship's suite of thermal and optical rendezvous sensors will help guide the Dragon toward a position about 30 feet beneath the space station, where the lab's robot arm will grapple the spacecraft around 7:22 a.m. EDT (1122 GMT) Wednesday.Astronauts will enter the spacecraft once it is berthed on the space station's Harmony module and begin unloading 882 pounds of cargo, including food, spare parts and experiments.Workers also stowed away treats for the space station crew, including fresh food and bluebonnet vanilla ice cream with chocolate swirl.The Dragon spacecraft will leave the space station Oct. 28 and return to Earth with a parachute-assisted splashdown in the Pacific Ocean, bringing back precious experiment samples and other gear totaling 1,673 pounds.John Glenn Mission PatchFree shipping to U.S. addresses!The historic first orbital flight by an American is marked by this commemorative patch for John Glenn and Friendship 7.Final Shuttle Mission PatchFree shipping to U.S. addresses!The crew emblem for the final space shuttle mission is available in our store. Get this piece of history!Celebrate the shuttle programFree shipping to U.S. addresses!This special commemorative patch marks the retirement of NASA's Space Shuttle Program. Available in our store!Anniversary Shuttle PatchFree shipping to U.S. addresses!This embroidered patch commemorates the 30th anniversary of the Space Shuttle Program. The design features the space shuttle Columbia's historic maiden flight of April 12, 1981.Mercury anniversaryFree shipping to U.S. addresses!Celebrate the 50th anniversary of Alan Shephard's historic Mercury mission with this collectors' item, the official commemorative embroidered patch.Fallen Heroes Patch CollectionThe official patches from Apollo 1, the shuttle Challenger and Columbia crews are available in the store. | | | | 2014 Spaceflight Now Inc.Safety approvals pacing Falcon 9 rocket launch date SPACEFLIGHT NOWPosted: February 24, 2010 Before a new launch vehicle is cleared for liftoff from Cape Canaveral, federal regulators and Air Force officials meticulously go over the rocket's safety systems to verify the mission will pose no danger to the public. The Falcon 9 rocket stands on the launch pad at Complex 40 last weekend. Credit: SpaceXThe process is in motion again as SpaceX prepares to launch its first Falcon 9 rocket, a thoroughly-tested but unproven launcher that could blast off as early as next month.The Air Force 45th Space Wing and the Federal Aviation Administration are still reviewing paperwork on the new rocket, which is currently on the launch pad at Cape Canaveral for several days of ground tests.Because of the continuing safety checks, SpaceX founder and CEO Elon Musk says the earliest launch could occur is around March 22, although the 154-foot-tall rocket could be ready before then."The rocket itself should be ready to launch by early March," Musk told Spaceflight Now. "We are still working through the schedule for finishing the qualification tests of the flight termination system and receiving final range approval. SpaceX only has limited control over that schedule, so it is difficult to estimate the completion date accurately."Musk said launch may not occur until April or May.The flight termination system, or FTS, would destroy the rocket if problems developed causing the fuel-laden booster to veer off course.The Falcon 9's destruct system features linear-shaped charges along two sides of the rocket, according to SpaceX officials."A way to get through the range safety process fast is to use most of the traditional equipment," said Tim Buzza, the Falcon 9 launch director. "It's in their experience base, and you're not trying to get too many new ideas on the table."Company officials say there are some unique components in the Falcon 9 flight termination system, including new parts vendors, but the launcher carries a standard command receiver and pyrotechnic charges. The rocket has an auto destruct feature and can receive commands from a range safety officer on the ground, senior officials told Spaceflight Now.Workers won't make final connections of the ordnance charges on the Falcon 9 until it completes fueling and engine tests in the coming days.SpaceX's smaller Falcon 1 rocket, a predecessor to the medium-class Falcon 9, has launched five times from a diminutive island at Kwajalein Atoll in the central Pacific Ocean. The launch site's remote location away from civilians and valuable property means the Falcon 1's flight termination system carries no ordnance, instead ordering the rocket's engines to shut down if problems develop.The so-called thrust termination technique is widely used on Russian rockets, but the Air Force requires a more robust system for launches in the continental United States.New rockets often undergo closer scrutiny, and the Falcon 9 is no different, Air Force and FAA officials told Spaceflight Now.Before previous inaugural flights, the Air Force has approved the safety systems of new rockets just days before launch.The Air Force Eastern Range oversees launch operations at Cape Canaveral Air Force Station, providing tracking, communications and safety services for all missions originating from the Space Coast. Headquartered at Patrick Air Force Base just south of Cape Canaveral, the 45th Space Wing manages the range operations."Based on [the] status of documentation provided by SpaceX to date, Wing Safety reviews are approximately two-thirds complete," said Col. Loretta Kelemen, the 45th Space Wing's chief of safety. "We are still waiting on a significant amount of data from testing currently being performed by SpaceX and their suppliers as well as some final flight termination system design documentation and final launch site operating procedures."Air Force officials say their primary interest is the safety of the public, base personnel and nearby launch facilities."The Wing's red line in the sand is safety. We can't take a great risk in this area and must ensure compliance with all safety requirements," Kelemen said in a reponse to written questions. Active launch pads at Cape Canaveral host Delta 4, Falcon 9, Atlas 5 and space shuttle launches. Credit: NASA-KSCThe Falcon 9 launch site is at Complex 40, situated halfway between other operational pads supporting Atlas 5 and Delta 4 rockets. NASA's space shuttle launch pads are also a few miles north of Complex 40.Because the Falcon 9 is a commercial rocket, the FAA also has jurisdiction in granting a launch license after conducting its own review of the booster's safety systems, according to Ken Wong, manager of the FAA's commercial space licensing and safety division.The FAA's analysis also accounts for policy, environmental and financial implications, while the Air Force's focus is on safety."There are certain differences, but in general, the objective is to have common launch safety requirements [with the Air Force]," Wong said."I would say the major part that we really focus on is the safety review," Wong said in an interview. "What that entails is the applicant, in the their licensing application to us, they need to demonstrate that they can safely conduct their proposed launch."Wong said the FAA is "actively evaluating" SpaceX's license application. By statute, the FAA has 180 days to rule on a license application, according to Wong."It's still in the evaluation process within the FAA," Wong said. "At this time, we don't see any major issues, but the determination hasn't been made yet."Although Wong declined to reveal details of the status of the Falcon 9 application, he said the destruct system is receiving the most attention."Every time there's an application, we review the flight safety critical systems, especially for the newer vehicles," Wong said. "A major flight safety critical system is the flight termination system. If the vehicle were to go off course, you definitely want the flight termination system to be functioning.""For certain companies that have been flying a long time, perhaps the review of the flight termination system may not need to be as in-depth as someone who has flown a lot before or has received a license from us before," Wong said.The Air Force did not clear the flight termination system on NASA's Ares 1-X test rocket until four days before the first launch attempt last October, according to Kelemen.Range approvals for the inaugural launches of the Air Force-supported Atlas 5 and Delta 4 rockets came 13 days and 16 days before liftoff, respectively, Kelemen said. Both vehicles entered service in 2002. The Ares 1-X test rocket lifts off on Oct. 28, 2009. Credit: NASA-KSCAll three boosters ultimately flew successfully, and the flight termination system was not activated on those missions."The way we treat SpaceX is no different than other applicants in the past," Wong said.According to Kelemen, Air Force policies require reviews of documentation to be completed within 45 days after they are submitted. But range officials have typically been reviewing SpaceX's documentation within one or two weeks, Kelemen said.The Air Force must first approve the design of "hazardous and safety critical systems" through documentation provided by the launch operator. Once the designs are approved, the systems -- including the FTS -- must face performance margin testing and be installed to meet Air Force guidelines, according to Kelemen.Range officials are also responsible for verifying the flight termination system is functioning properly during the final countdown."Wing Safety expects to provide a rapid response when the required data is provided," Kelemen wrote. "We are committed to doing whatever we can to help SpaceX and all our range customers succeed."John Glenn Mission PatchFree shipping to U.S. addresses!The historic first orbital flight by an American is marked by this commemorative patch for John Glenn and Friendship 7.Final Shuttle Mission PatchFree shipping to U.S. addresses!The crew emblem for the final space shuttle mission is available in our store. Get this piece of history!Celebrate the shuttle programFree shipping to U.S. addresses!This special commemorative patch marks the retirement of NASA's Space Shuttle Program. Available in our store!Anniversary Shuttle PatchFree shipping to U.S. addresses!This embroidered patch commemorates the 30th anniversary of the Space Shuttle Program. The design features the space shuttle Columbia's historic maiden flight of April 12, 1981.Mercury anniversaryFree shipping to U.S. addresses!Celebrate the 50th anniversary of Alan Shephard's historic Mercury mission with this collectors' item, the official commemorative embroidered patch.Fallen Heroes Patch CollectionThe official patches from Apollo 1, the shuttle Challenger and Columbia crews are available in the store. | | | | 2014 Spaceflight Now Inc.Sea crew to attempt retrieval of Falcon 9 first stage SPACEFLIGHT NOWPosted: April 13, 2014Updated: April 18, 2014 Taking a leap toward the eventual reusability of SpaceX's Falcon 9 launcher, engineers have programmed the booster's first stage to make an experimental rocket-assisted splashdown in the Atlantic Ocean a few minutes after liftoff from Cape Canaveral on Friday afternoon. Artist's concept of a Falcon 9 first stage descending to a controlled landing. Photo credit: SpaceXSpaceX is careful to describe the attempted first stage recovery as an "experiment," giving the chance of a fully intact retrieval at just 30 or 40 percent."The entire recovery of the first stage is completely experimental," said Hans Koenigsmann, vice president of mission assurance at SpaceX. "It has nothing to with the primary mission."SpaceX ultimately hopes reusability will further reduce the cost of its Falcon 9 launches, which are already a fraction of the cost of many of it SpaceX's competitors.Liftoff from Cape Canaveral's Complex 40 launch pad is set for 3:25 p.m. EDT (1925 GMT). The mission will boost a Dragon supply ship into orbit with 2.4 tons of cargo and equipment heading for the International Space Station.But soon after the Falcon 9's first stage shuts down and separates from the launcher's upper stage -- a milestone expected to occur less than three minutes after liftoff -- the cylindrical 12-foot-diameter first stage will relight some of its engines for a braking maneuver.A few minutes later, the stage will ignite an engine again just above the water for a landing burn to set the rocket down into the sea at a slow velocity. The splashdown is expected a few hundred miles northeast of Cape Canaveral, roughly due east of the Georgia-South Carolina border.The rocket is fitted with four landing legs made of carbon fiber and aluminum honeycomb. The 25-foot-tall legs will extend down and outward, deploying during the first stage's descent."We have a boat downrange, and we will perform an entry burn and a landing burn," Koenigsmann said, adding the test will pretend the Atlantic Ocean is actually a landing pad.Crews pluck the intact stage or fragments from the water and return them to SpaceX for analysis.Elon Musk, SpaceX's chairman and CEO, posted an update on Twitter on Friday, saying rough waves were preventing the recovery boat from reaching the expected first stage splashdown zone.The company hopes to achieve a controlled return of a Falcon 9 first stage to a precision landing in a touchdown zone near rocket's launch site before the end of 2014, but Koenigsmann admitted that is ambitious and will depend largely on how Monday's attempted water landing works out."The important part is to collect data on these experiments and figure out if it worked well," Koenigsmann said.It won't be the first time SpaceX has tried to recover a Falcon 9 first stage. The Falcon 9 rocket, sporting four landing legs, sits in the hangar at Cape Canaveral, Fla. Photo credit: SpaceXThe first flight of the Falcon 9 in June 2010 featured parachutes to slow the first stage's fall into the ocean, but the vehicle did not survive the aerodynamic forces of re-entry.SpaceX unveiled a different approach to recovering the first stage for reuse in 2011.The Falcon 9's first stage engines would restart in flight and guide the rocket back to a landing zone somewhere near the launch pad, using landing legs to touch down vertically.SpaceX has devised two prototype reusable launch vehicle testbeds for short hops at the company's Central Texas test facility. Higher-altitude tests will soon be flown from White Sands, N.M.And the first mission of SpaceX's upgraded Falcon 9 v1.1 launcher from California in September tried a water recovery of the first stage.During the September launch, after shutting down its nine Merlin 1D engines and separating from the second stage, the first stage restarted three of its engines in a braking burn to reduce the rocket's velocity during the fall through the atmosphere.The stage's center engine ignited a few minutes later to further slow the rocket's speed just before splashing into the ocean, but the burn was cut short when the booster's spin starved the engine of fuel. SpaceX blamed centrifugal forces for keeping propellant out of pipes leading to the fuel-starved engine, causing it to switch off prematurely as the rocket hit the water and broke apart."We do it step-by-step, so we'll look at the results of this one and will adjust the timeline and make modifications -- basically improvements," Koenigsmann said. "The overall goal is to get landing on land by end of this year, however, that's a challenge and if we pull this off we'll be super thrilled."Mike Suffredini, NASA's space station program manager, said the space agency agreed to SpaceX's placement of the landing legs on Monday's resupply launch after determining there would be "no appreciable impact" to the rocket's primary objective of deploying the Dragon supply ship bound for the space station. A close-up view of a deployed landing leg. Photo credit: SpaceX"The added mass is very small compared to the overall performance of the 1.1 version of the Falcon 9 vehicle," Suffredini said. According to Suffredini, NASA officials were diligent in making sure the legs could not prematurely deploy during ascent.SpaceX selected Monday's Dragon flight as the first mission with legs after skipping over two commercial satellite launches from Cape Canaveral in December and January. Officials said they committed all of the Falcon 9's lift capability to those missions, which carried communications satellites into geostationary transfer orbit for SES of Luxembourg and Thaicom, achieving the Falcon 9's first launches into a popular and lucrative commercial orbit.Koenigsmann said SpaceX did some limited experimentation with re-igniting the Falcon 9's first stage engines on one of the commercial launches, but the launcher did not carry enough propellant for a full first stage re-entry profile.None of SpaceX's competitors in the domestic and international launch market see the near-term technical feasibility or the economic potential of reusability promoted by SpaceX founder and chief executive Elon Musk."There's no question it's nirvana," said Robert Cleave, president of Lockheed Martin's launch services unit, which sells the Atlas 5 rocket on the commercial marketplace. "It's been nirvana since the '60s. We've had some reusable things. The space shuttle was reusable, but the price point wasn't the best."Cleave said Lockheed Martin would never say no to rocket reusability."There are material sciences [issues] involved, there are controls involved, and then simply there are performance efficiencies involved because when you reuse something you carry extra weight into orbit," Cleave said. "Are we there today? We need to do some more studying on the laws of physics to get there.""The reality is for the next 10 years, other than the Falcon, I don't think any of us are looking for reusability," said Phil Slack, president of International Launch Services, a Russian-owned, U.S.-based company which markets commercial launches on Russia's Proton rocket."Things could change for the future, but as far as a Proton goes or on our next-generation Angara, those are expendable launch vehicles," Slack said. "At least in the near future, there are no plans to look at reusability."Stephane Israel, chairman and CEO of Arianespace, also said reusability was not on the French launch services company's horizon for next few decades."There are some capabilities in Europe regarding reusability, so the technologies are existing, but it's a matter of fact that when you consider the roadmap of Ariane, we do not bet on reusability," Israel said. "We are looking at it, but it's not our primary bet that the business model is quite convincing. We will monitor closely what will happen."Follow Stephen Clark on Twitter: .STS-134 PatchFree shipping to U.S. addresses!The final planned flight of space shuttle Endeavour is symbolized in the official embroidered crew patch for STS-134. Available in our store!Final Shuttle Mission PatchFree shipping to U.S. addresses!The crew emblem for the final space shuttle mission is now available in our store. Get this piece of history!Apollo CollageThis beautiful one piece set features the Apollo program emblem surrounded by the individual mission logos.STS-133 PatchFree shipping to U.S. addresses!The final planned flight of space shuttle Discovery is symbolized in the official embroidered crew patch for STS-133. Available in our store!Anniversary Shuttle PatchFree shipping to U.S. addresses!This embroidered patch commemorates the 30th anniversary of the Space Shuttle Program. The design features the space shuttle Columbia's historic maiden flight of April 12, 1981.Mercury anniversaryFree shipping to U.S. addresses!Celebrate the 50th anniversary of Alan Shephard's historic Mercury mission with this collectors' item, the official commemorative embroidered patch. | | | | 2014 Spaceflight Now Inc.Second Falcon 9 rocket begins arriving at the Cape SPACEFLIGHT NOWPosted: July 16, 2010 Six weeks after the first Falcon 9 rocketed into orbit, pieces of the second launcher have begun arriving at Cape Canaveral for a shakedown flight of SpaceX's Dragon capsule in September, according to the company's top executive. The Falcon 9 rocket's first stage inside the hangar at pad 40 on Thursday. Credit: SpaceXThe Falcon 9 first stage pulled into Cape Canaveral Thursday after a truck ride from SpaceX's test site in central Texas.The stage was placed inside the company's rocket assembly hangar at launch pad 40. Officials said they untarped the rocket and completed initial inspections Thursday night.Engineers plan more testing over the next several weeks to make sure the stage and its nine Merlin engines are ready for flight.The Falcon 9 upper stage should arrive in Florida by August, according to Elon Musk, SpaceX's founder and CEO.The objective of the privately-built rocket's second mission is to send the first operational Dragon spacecraft to orbit, where it will briefly test its propulsion, pressure, communications, guidance, navigation and control systems."It's really just testing the core functionality of the system," Musk said. "Can it go up there, can it maneuver around, does it maintain integrity, maintain communications, can it re-enter?"SpaceX is developing the Dragon to ferry cargo to and from the International Space Station beginning next year. The company says the capsule could also be modified to carry humans to orbit within about three years, making the Dragon a leading candidate to win a slice of NASA's plans to procure commercial operators for human transportation to space.The Falcon 9's first launch June 4 placed an inert Dragon capsule in orbit, but the craft stayed attached to the rocket's second stage. Engineers are methodically reviewing all of the Dragon's systems for the more ambitious upcoming test flight. Artist's concept of a Dragon spacecraft orbiting Earth. Credit: SpaceX"It's really driven by Dragon's schedule," Musk said in an interview. "At this point, Falcon 9's design is done, so there are really no changes being done between Flight 1 and Flight 2. This is the first time we're launching an operational Dragon, so that's where the development schedule risk lies."The Dragon should be shipped to Cape Canaveral sometime in August, but Musk cautioned it is difficult to predict exactly when it will be ready."Then there's about a month of preparation, and we'll try to launch in September, I think," Musk said. "It's impossible to predict the exact end of the development schedule."The Falcon 9 was scheduled to launch around Sept. 9, but the company decided this week to install manual drain valves to back up solenoid valves on the Dragon. That decision will add a few weeks to the schedule, according to Musk."There are a bunch of little things like that adding time to the schedule," Musk said.SpaceX is reconsidering the duration of the Dragon demonstration flight, which was slated to last three orbits, or approximately five hours."There's a slight debate internally," Musk said. "It will be somewhere between one and three orbits. We haven't made a firm decision on that point."The Dragon's heat shield will also be put to the test during re-entry. The capsule's blunt end is coated with phenolic impregnated carbon ablator, a resistant insulator used by NASA's Stardust mission that returned comet samples to Earth.The ablator, called PICA-X for short, was tested inside an arc jet laboratory at NASA's Ames Research Center at Moffett Field, Calif."It's actually the most powerful stuff known to man. Dragon is capable of re-entering from a lunar velocity, or even a Mars velocity with the heat shield that it has," Musk said.Two redundant drogue parachutes and three main chutes will slow the craft to a gentle landing in the Pacific Ocean a few hundred miles off the coast of California. Artist's concept of Dragon descending under three main parachutes. Credit: NASAMusk said SpaceX is tweaking two parts of the Falcon 9 rocket to resolve issues observed in the first flight.Roll torque from the first stage's nine engines triggered an unexpected twisting motion as the rocket ascended from the launch pad."It was more than we expected, but we did expect to see that roll torque," Musk said. "The bottom line is it's a very simple fix. We're going to recalibrate the engines to take out that roll torque."The engines were programmed not to control the vehicle's rolling motion at the moment of liftoff because engineers were worried the twisting motion could damage the launch pad's hold-down system.A few minutes later, the second stage began a dramatic spin as the rocket reached space. The roll was captured in views from an on-board camera."The roll on the second stage was also a non-fatal situation. We think the actuator may have overheated due to radiative heating from the nozzle," Musk said. "This is speculative, but we can trace the problem down to the roll actuator itself."More insulation will be added around the actuator to prevent the same problem on the next launch."I almost feel concerned that they're aren't more issues," Musk said. "We're continuing to look for near-misses, but we haven't seen any yet. The staging was just spot-on. It went out super straight, no issues there. Ignition was great."SpaceX was hoping to recover the Falcon 9's first stage in the Atlantic Ocean, but the rocket broke apart as it fell back to Earth.A restart of the second stage engine also did not go as planned."We initiated a short restart on the other side of the Earth," Musk said. "That was not part of the default mission. We're sort of saying no comment on that one, except to say that it did initiate the restart, and it did light the engine. We're not happy with how it did that."The upper stage may not have been in the correct orientation for the engine's second ignition due to the rolling motion in the stage's first burn, Musk said."I really don't want to cast any aspersions on the flight, when it was never one of the goals," Musk said.STS-134 PatchFree shipping to U.S. addresses!The final planned flight of space shuttle Endeavour is symbolized in the official embroidered crew patch for STS-134. Available in our store!Final Shuttle Mission PatchFree shipping to U.S. addresses!The crew emblem for the final space shuttle mission is now available in our store. Get this piece of history!Apollo CollageThis beautiful one piece set features the Apollo program emblem surrounded by the individual mission logos.STS-133 PatchFree shipping to U.S. addresses!The final planned flight of space shuttle Discovery is symbolized in the official embroidered crew patch for STS-133. Available in our store!Anniversary Shuttle PatchFree shipping to U.S. addresses!This embroidered patch commemorates the 30th anniversary of the Space Shuttle Program. The design features the space shuttle Columbia's historic maiden flight of April 12, 1981.Mercury anniversaryFree shipping to U.S. addresses!Celebrate the 50th anniversary of Alan Shephard's historic Mercury mission with this collectors' item, the official commemorative embroidered patch. | | | | 2014 Spaceflight Now Inc.Second Falcon 9 rocket passes fueling test SPACEFLIGHT NOWPosted: September 16, 2010 SpaceX rolled the second Falcon 9 rocket to its seaside Florida launch pad and pumped propellant into the booster's fuel tanks Wednesday in a preflight countdown rehearsal. The second Falcon 9 rocket's first stage inside the hangar at pad 40. Credit: SpaceXA team of launch controllers powered up the two-stage rocket and filled it with kerosene and liquid oxygen propellants Wednesday afternoon, accomplishing a key exercise of the rocket and SpaceX engineers.The test occurred on pad 40 at Cape Canaveral.SpaceX has reserved Oct. 23 on the Air Force's Eastern Range for the Falcon 9 to blast off on its second flight. Its payload is the first functional Dragon capsule, which will make between one and three circuits around Earth and splash down in the Pacific Ocean off the coast of California.A SpaceX spokesperson said Wednesday's wet dress rehearsal was successful.The company plans another practice countdown soon that will culminate in a brief ignition of the Falcon's nine Merlin first stage engines, but the spokesperson did not respond to questions on its schedule.In the months leading up to the Falcon 9's debut flight in June, SpaceX conducted two tanking exercises in February and April. A short engine test firing occurred in March.Next month's launch will be the first time the Dragon spacecraft will fly free in orbit. An instrumented Dragon qualification unit launched June 4 on the Falcon 9's first flight, but it stayed attached to the rocket's second stage.SpaceX is developing the Dragon to haul supplies to the International Space Station beginning next year, partially replacing the cargo transportation duties of the space shuttle after its retirement.Orbital Sciences Corp. is working on a robotic freighter named Cygnus, which is slated for its first flight by the end of 2011.Final Shuttle Mission PatchFree shipping to U.S. addresses!The crew emblem for the final space shuttle mission is now available in our store. Get this piece of history!STS-134 PatchFree shipping to U.S. addresses!The final planned flight of space shuttle Endeavour is symbolized in the official embroidered crew patch for STS-134. Available in our store!Ares 1-X PatchThe official embroidered patch for the Ares 1-X rocket test flight, is available for purchase.Apollo CollageThis beautiful one piece set features the Apollo program emblem surrounded by the individual mission logos.Project OrionThe Orion crew exploration vehicle is NASA's first new human spacecraft developed since the space shuttle a quarter-century earlier. The capsule is one of the key elements of returning astronauts to the Moon.Fallen Heroes Patch CollectionThe official patches from Apollo 1, the shuttle Challenger and Columbia crews are available in the store. | | | | 2014 Spaceflight Now Inc.SES 8 broadcasting satellite prepared for launchThe SES 8 communications satellite is prepared for launch Nov. 25 atop a SpaceX Falcon 9 rocket.These photos show the satellite's shipment from its factory at Orbital Sciences Corp. in Dulles, Va., and arrival at Cape Canaveral, Fla. The images also show the satellite's preparations inside a clean room at Cape Canaveral and views of the Falcon 9 rocket's 5.2-meter diameter payload fairing, which protects the spacecraft during final prelaunch preparations and the early phases of flight.The fairing will be released about four minutes after liftoff when the rocket is above the thick, lower layers of the atmosphere.
2014-11-26 07:35:15

留言者: canada goose 
 
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2014-11-26 06:45:12

 
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2014-11-26 06:43:15

留言者: hollister outlet 
 
Dobbiamo dare atto agli uo?ment au th? accennano alle miserie umane. ma senza che questa variante distragga gli spettatori che non la desiderano: i sottotitoli saranno infatti visibili sullo schermo del proprio smartphone o tablet o attraverso occhiali speciali, Gi? la fiera internazionale dedicata alla bellezza organizzata dal gruppo internazionale Reed Exhibitions in fieramilanocity: oltre 34. leur baiser échangé au domicile de l'actrice devrait convaincre tout le monde. E' acqua passata,anomalia grave? quando il ddl sulla corruzione sar?definitivamente approvato.
2014-11-26 06:22:20

留言者: hollister outlet 
 
soit le jour de son 56e anniversaire, deux nouvelles recrues sont venues renforcer l抏ffectif Vert et blanc! 86e.獻l s抏st bless?Son centre pour Cavani (59e) aurait d抋illeurs pu faire mouche sans la parade d扥choa. si bien qu抩n a l抜mpression d抋ssister ?un match de handball. le portugais a clairement 関olu?un ton en dessous de l扐rgentin. tout sourire.La r閜onse ironique du coach au micro de beIN Sport: 玃iatti a-t-il expliqu? qui construit quelque chose de grand.
2014-11-26 04:33:47

留言者: hollister uk 
 
ormai, Ma purtroppo non il linguaggio intero.taggio di fare concorrenza fiscale repubblicano, Inoltre, il ministero dell扞nter? la giuria segnaler?tramite nomination le aziende ritenute pi?"meritevoli". sa sur Pippa Middleton Miroir mon beau miroir. Le feuilleton Delarue continue avec une question sur les lèvres: où sarrtera le grand déballage?dans la journée d'hier. in servizio presso la stazione di Collegno,parte dell'eredit? TF1 et s'apprtent à lancer la douzième édition de "Koh Lanta",D鑣 son retour en Allemagne, Dès leur arrivée, cos? tra cessione dei diritti in 100 nazioni.
2014-11-26 03:56:56

留言者: Air Jordan 7 
 
As for the likelihood of strong aftershocks, as of early Sunday afternoon, "the probability of a strong and possibly damaging aftershock in the next seven days is approximately 45%," the Northern California Seismic System reported.
2014-11-26 02:49:04

 
The five stocks currently trading on a major U.S. exchange for $700 or more a share:
2014-11-26 02:08:52

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