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Earth's Moon: Formation, Composition and Orbit
Scientists say a giant impact knocked off the raw ingredients for the moon off the primitive molten Earth and into orbit.
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The results confirm observations made 40 years ago on the lunar surface.
Moon phases are not caused by the shadow of the Earth falling on the moon.
See sky maps to help spot the skywatching events of August 2012.
Serene morning image features the crescent moon, Taurus, Jupiter and Venus.
Stunning full moon rises over Paris in new night sky photo.
August offers a rare skywatching treat: two full moons.
A rare blue moon is coming up next month.
Former Google Books engineering head Jimi Crawford has joined the Moon Express team.
On July 15th, 2012, Earth's Moon will occult Jupiter and its four largest moons – Europa, Io, Callisto and Ganymede – blocking them from skywatchers' views.
Take a tour of our solar system with us – from the sun to the furthest dwarf planets! Come on, it can't hurt!
What was your favorite space news story of the last week? Vote Now!
From July through August, planet groupings in the pre-dawn and dusk skies will impress skywatchers around the world.
A massive full moon looms over Paris in a spectactular photo by photographer VegaStar Carpentier.
A UH-60 (NASA 750) RASCAL helicopter with IR camera mount on NASA Ames Research Center’s flightline under "Blue" Moon on Aug. 31, 1993 in this amazing space wallpaper.
The moon's pull is slowing down Earth's rotation.
This week's night sky offers a special trio of treats.
Lunar soil hovers above the moon's surface and is incredibly sticky and abrasive.
But starting up the off-Earth economy won't happen overnight.
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