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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Moon and Jupiter Rendezvous This Weekend: How to See Them
Jupiter and the Galilean Moons, April 2015
April 24th, 2015
About 45 minutes after the sun sets on Saturday and Sunday, Jupiter and the moon will be visible in the southwest sky, roughly two-thirds of the way up from the horizon to the point directly overhead (called the zenith).
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Going Back to the Moon: Q&A with Planetary Scientist Paul Spudis
Artist's concept of a lunar base
April 21st, 2015
Planetary scientist Paul Spudis has long been calling for humanity to return to the moon. He tells why manned exploration of Earth's nearest neighbor is so important.
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Apollo 13 Astronaut Exhibit Re-Launches at Chicago Planetarium
Gemini 12 Capsule at 'Mission Moon' Exhibit
April 10th, 2015
Forty-five years ago, Apollo 13 commander Jim Lovell "lost the moon" after a mid-flight explosion. Now, on the anniversary of his most famous liftoff, the Adler Planetarium is launching its own "Mission Moon," based on Lovell's life.
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Virgo Rises: Spot Second-Largest Constellation This Week
59 Virginis in the Constellation of Virgo
April 17th, 2015
Right now is a good time to look for Virgo, since the bright moon is not lighting up the evening sky. (Virgo may be very large, but most of her stars are rather dim.)
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Bid Farewell to the Winter Night Sky
Sky Map for Winter Stars, April 2015
April 9th, 2015
We usually think of the equinox on or around March 21 as the end of winter and the beginning of spring in the Northern Hemisphere. But these week you can see the last vestiges of the bright stars of winter arrayed just above the horizon.
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Shortest Total Lunar Eclipse of the Century Visible Early Saturday
July 2000 Lunar Eclipse
April 3rd, 2015
Don't forget to look skyward in the early hours of the morning tomorrow (April 4), to catch a glimpse of the shortest total lunar eclipse of the century, and the third of a four-eclipse "tetrad" visible from the United States.
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Apollo 13 Custom LEGO Minifigures Mark Mission's 45th Anniversary
Apollo 13 Custom LEGO Minifigures
April 10th, 2015
Houston, we have... Apollo 13 custom LEGO minifigures! Launched in time for the start of the historic mission's 45th anniversary, UK-based has introduced a new set of four minifigures replicating the Apollo 13 crew and their flight director.
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Artist Adds Motion to NASA's Iconic Apollo Moon Mission Patches
'Apollo Mission Patches' Video
April 6th, 2015
NASA's iconic Apollo moon landing mission patches come to life in a new video created by a professional animator. Cincinnati-based artist Neil Smith revealed his versions of the historic emblems in an animated clip posted to YouTube and Vimeo
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