Falcon 9 and Dragon are on track for launch tomorrow to the International Space Station. Liftoff is targeted for 10:21am ET / 7:21am PT –
segunda-feira, 29 de junho de 2015
The Expedition 44 trio will not see the SpaceX Dragon cargo craft arrive Tuesday after the Falcon 9 rocket was lost about 139 seconds after launch Sunday morning. The crew now turns its attention to another resupply mission, ongoing science activities and routine orbital maintenance.
Once complete in the early 2020s, the observatory will return images 10 times sharper than those captured by NASA's iconic Hubble Space Telescope.
Construction of the Thirty Meter Telescope (TMT) on Hawaii's Mauna Kea volcano, which was halted in April after a series of protests, will resume on Wednesday...
NASA WEB ·A senior SpaceX official responded, “We are always worried about our Helium pressurant tanks, but we don’t have data yet that says it was them”
We understand from two different inside sources that both NASA & SpaceX were aware of an issue on the vehicle, pertaining to cracking of the liner on the second stage’s liquid oxygen tank dome. Until recently, SpaceX’s solution has been to utilize sprayed-on Teflon lubricant, in the hope that it would alleviate the stresses which caused the problem.
A senior SpaceX official responded, “We are always worried about our Helium pressurant tanks, but we don’t have data yet that says it was them”. No further comment provided, we asked again to clarify the LOX issue (not Helium), & NASA has yet to respond at all.
Photo: Alan Walters / AmericaSpace
quinta-feira, 25 de junho de 2015
Science or science fiction? Will we ever build ringworlds or Dyson spheres?
The New Horizons mission is rapidly approaching Pluto, arriving in July. Learn about Hubble's role in exploring Pluto's neighborhood with our new Hubble 25th anniversary article.
The Hubble Space Telescope provides a detailed look at the planets, moons, rings, asteroids and comets in our celestial backyard. These investigations have helped answer age-old questions about how the solar system began, how...
Four vivid concentric rings caused by a furious X-ray flare-up mark the spot of a superdense stellar corpse.
The newly observed "X-ray echo" — the largest and brightest of its type ever caught on camera — has allowed researchers to pin down the location of the...
A monster black hole in the heart of a barred spiral galaxy called NGC 1097 has the mass of 140 million suns, according to new measurements. A vivid video by the National Radio Astronomy Observatory describes how researchers...