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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 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.
The moon, once thought to be bone dry, has now been shown to harbor significant water.
S/2010 J 2 is barely 1 mile across.
The new map raises as many questions about the mysterious moon as it answers.
Plane greets crescent moon in a surprise in this night sky photo by photographer Vegastar Carpentier.
See amazing views of the partial lunar eclipse of June 4, 2012.
See images of the moon passing partially within the Earth's shadow on June 4, 2012.
The lunar eclipse will be visible throughout much of North America.
The Google Lunar X Prize will abide by NASA rules to protect important lunar artifacts.
Wednesday and Thursday offer a great chance for skywatchers to observe the unlit areas of the moon.
See a list of many webcasts for today's solar eclipse from around the world.
Several different organizations will stream live footage of the spectacular event.
This artist's impression illustrates how the early moon (and Earth) were reshaped by an intense period of bombardment. Asteroids appear to be the dominant impactors.
Scientists had wondered what caused the massive impacts 3.9 billion years ago.
A 42 foot space rock (asteroid 2012 JU) flew about 118,000 miles away from the Earth on May 13, 2012 (about half the distance from Earth to the Moon - 238,855 mi.). This time-lapsed and looped video shows the asteroid's orbit as it passes Earth.
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