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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Partial Solar Eclipse Occurs Today: Watch It Live
Partial Solar Eclipse Seen in Brisbane, Australia, April 29, 201
October 23rd, 2014
The online Slooh Community Observatory will air a special three-hour solar eclipse webcast Thursday starting at 5 p.m. EDT (2100 GMT). You can watch the show at http://www.slooh.com, or here at Space.com, courtesy of Slooh.
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Tom Hanks Flies Alan Bean to the Moon in 'The New Yorker'
Art accompanying Tom Hanks' short story "Alan Bean Plus Four" in "The New Yorker" magazine.
October 21st, 2014
There's a certain irony to the observation that Tom Hanks today may be better known for flying to the moon than Alan Bean, who actually went there. The actor and director celebrates Bean and laments his anonymity in the pages of "The New Yorker."
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Who Owns the Moon? (Op-Ed)
Real estate on the moon
October 19th, 2014
Without proper regulation, the moon risks becoming an extra-planetary Wild West.
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Partial Solar Eclipse Today: A Weather Forecast
This graphic, provided by NASA, shows which parts of the globe will be able to see the partial solar eclipse of Oct. 23, 2014.
October 23rd, 2014
Viewers throughout most of the United States are in position to see a partial solar eclipse Thursday afternoon (Oct. 23). Unfortunately, clouds will likely get in the way in some parts of the country.
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Spacecraft Watched the Lunar Eclipse from Mercury
MESSENGER Mission in Mercury Orbit
October 19th, 2014
Last week's lunar eclipse wasn't just a show for Earthlings, NASA's MESSENGER mission was also watching from Mercury, 66 million miles away.
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Volcanoes on the Moon May Have Erupted During the Dinosaur Age
Irregular mare patch on moon
October 14th, 2014
Scientists previously thought that the moon's volcanic activity died down a billion years ago. But new data from NASA's Lunar Reconnaissance Orbiter, or LRO, hints that lunar lava flowed much more recently, perhaps less than 100 million years ago.
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China Poised to Launch Next Moon Mission on Thursday
China's Lunar Sample Program
October 22nd, 2014
The unmanned mission will apparently send a spacecraft around the moon; on its way back toward Earth, the probe will release a capsule to perform a high-speed plunge through the planet's atmosphere.
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Partial Solar Eclipse to Darken US Skies This Week
This NASA graphic shows the visibility area of the partial total solar eclipse of Oct. 23, 2014. The eclipse will be visible from most of the United States, weather permitting.
October 20th, 2014
Nearly all of North America will experience the solar eclipse. People who live east of a line running from roughly Quebec City to Montauk Point, New York, will miss out, since the sun will set before the dark disc of the moon begins to encroach upon it.
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Apollo Astronaut's Anniversary Patch Recalls 'Flight of the Phoenix'
Apollo 7 45th Anniversary Patch
October 17th, 2014
Forty-six years ago this week, NASA's first Apollo astronauts to launch into space were circling the Earth, just as the crew's mission patch depicted. The official insignia though, was not what the crew initially envisioned as representing their flight.
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