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MUST SEE AMAZING FILM OF THE Evolution of the Moon

 
 
Reply Tue 20 Mar, 2012 01:41 pm
ALL CHILDREN (AND GROWN UPS) SHOULD SEE THIS FILM. BBB

Evolution of the Moon
Video Credit: LRO, SVC, NASA

Explanation: What is the history of the Moon? The Moon was likely created from debris expelled when a Mars-sized object violently impacted the Earth about 4.5 billion years ago. Just after gravitationally condensing, as imagined above, the glowing-hot surface of the Moon cooled and cracked. Rocks large and small continued to impact the surface, including a particularly large impact that created Aitken Basin about 4.3 billion years ago. A Heavy Bombardment period then continued for hundreds of millions of years, creating large basins all over the lunar surface.

Over the next few billion years lava flowed into Earth-side basins, eventually cooling into the dark maria we see today. As always, relentless impacts continued, forming the craters we see today, slowly diminishing over the past billion years. Today the cooled Moon we know and love is as dark as coal and always keeps the same face toward Earth. Exactly how the Moon formed initially, and why lunar maria are only on the Earth side, remain active topics of research.

PHOTO:
http://www.youtube.com/watch?v=UIKmSQqp8wY
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BumbleBeeBoogie
 
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Reply Tue 20 Mar, 2012 01:54 pm
@BumbleBeeBoogie,
More photos: http://www.youtube.com/watch?v=UIKmSQqp8wY

BBB
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