Topic: Alan Stern
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Private company to offer rides to moon by 2020
Golden Spike says it hopes to sell missions to the moon for over $1 billion.
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Price of a vacation on the moon? $1.5 billion.
The company is aiming for a first launch before the end of the decade and then up 15 or 20 launches total.
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Do Pluto's moons pose risks for NASA spacecraft? (+video)
Scientists are planning a new route for NASA's New Horizons space probe as it approaches a potentially perilous path toward Pluto. They aim to chart a safe, but interesting course.
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Fifth moon discovery reminds us how little we know about Pluto (+video)
Orbiting at outskirts of the solar system some three billion miles from Earth, Pluto remains shrouded in mystery.
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Pluto's fifth moon: five fascinating facts (+video)
Using data from the Hubble telescope, SETI scientists spotted a fifth moon orbiting the icy dwarf planet Pluto.
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Pluto now has at least five moons. Can we go back to calling it a planet?
Long considered a planet, Pluto was reclassified as a 'dwarf planet' in 2006 by the International Astronomical Union. Will the discovery of a fifth moon prompt astronomers to reconsider?
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Pluto's new moon could cause problems for space probe, says NASA (+video)
Pluto's newly discovered fifth moon could mean more debris surrounding the icy dwarf planet, which could pose a hazard for NASA's New Horizons spacecraft, which was launched in 2006 with the aim of mapping Pluto's surface.
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What should we name Pluto's new moon?
Scientists examining data from NASA's Hubble Space Telescope have spotted a fifth moon orbiting Pluto. The moon is currently labeled S/2012 (134340) 1, a monicker that could probably be improved.
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Hubble telescope spots fifth moon orbiting Pluto (+video)
Almost exactly a year after it spotted a fourth moon orbiting the icy dwarf planet, the Hubble Space Telescope has detected a fifth one.
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Florida scientists reduced to holding bake sale to fund NASA
In an effort to rescue planetary science projects amid budget cuts, scientists in Florida are holding bake sales and car washes to sway legislators to protect NASA's budget.
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Pluto moon discovery hints at future surprises for NASA probe
Pluto moon: The tiny new moon — announced July 20 and called P4 for now — brings the number of known Pluto satellites to four.
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After the space shuttle, astronaut corps awaits a new mission
NASA's once-iconic astronaut corps will shrink but still play a vital role as the space shuttle era comes to an end.
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Should Pluto be restored as a planet? Experts weigh in.
New calculations indicate that Pluto might be the largest object in the outer solar system. Does it now deserve to be called a planet again?
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Across the Milky Way, more planet Earths?
Two new discoveries suggest that sunlike solar systems like ours – with life-hosting planets – are more common than previously thought.
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U.S. budget boosts coal and nuclear power
Bush's budget request Monday cut funding for renewable energy, but increased spending for science.
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