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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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On Saturday, August 27, 2011, Ron Garan pointed an HD camera out a window of the International Space Station Cupola for this space wallpaper.
Skywatching events in August 2011, including the Perseid meteor shower and the comet Elenin.
On Sunday, July 31, 2011, when Expedition 28 astronaut Ron Garan aboard the International Space Station looked out his window, this is what he saw: the moon in this space wallpaper.
Is this strange impact crater the result of a spacecraft that crash landed on the moon decades ago?
Earth's moon may be unique throughout the universe.
Despite its huge size, the giant asteroid Pallas is only visible in telescopes this week.
As Prometheus tangos past, particles in Saturn's outermost "F-Ring" resonate into long-patterned movements induced by the small moon's gravity. This animation shows glimpses of the effects over a 60+ day period.
While private commercial companies rush to get their spaceship designs done and "human-rated," NASA is forging ahead with its own next generation capsule: the Orion Multi-Purpose Crew Vehicle. Here's a look inside.
Scientists still aren't sure how the moon came to be, but they believe it is one of the keys to life evolving on Earth.
Skywatching events in July 2011, including two new moons and a partial solar eclipse.
Asteroid 2011MD was captured zooming by the Earth by Observatory Pla d'Arguine in Segorbe, Spain.
The planet Jupiter dances with a slender waning crescent moon this weekend in the night sky.
Earth and the other rocky planets aren't made out of the solar system's original starting material.
The planets Venus, Jupiter, Mars are shining bright at dawn in the northeastern sky.
The Lunar Reconnaissance Orbiter (LRO) generated lunar elevation map has produced a much sharper view than that of its predecessor. Another step in enabling safe and effective exploration of the moon.
The exploration phase of the Lunar Reconnaissance Orbiter's life has been a complete success, NASA officials say.
A NASA spacecraft has captured a stunning new image of a small, icy Saturn moon.
Buzz Aldrin, the second man to walk on the moon, has separated from his wife of 23 years, Lois Driggs Cannon.
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