'Mirage Earth' exoplanets may have burned away chances for life
(Phys.org) —Planets orbiting close to low-mass stars—easily the most common stars in the universe—are prime targets in the search for extraterrestrial life.
(Phys.org) —Planets orbiting close to low-mass stars—easily the most common stars in the universe—are prime targets in the search for extraterrestrial life.
Astronomy
Dec 2, 2014
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The nation's space exploration program is taking a critical step forward with a successful major technical review of the core stage of the Space Launch System (SLS), the rocket that will take astronauts farther into space ...
Space Exploration
Jun 22, 2012
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NASA's new J-2X rocket engine, which could power the upper stage of the nation's future heavy-lift launch vehicle, is ready for its first round of testing. The fully assembled engine was installed Saturday in the A-2 Test ...
Space Exploration
Jun 14, 2011
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