What would it take to keep the Moon?

Subject: What would it take to keep the Moon?

Date: Sun Sep 26 20:40:17 2010
Posted by Tiago
Grade level: undergrad School: No school entered.
City: No city entered. State/Province: No state entered. Country: Brazil
Area of science: Astronomy
ID: 1285558817.As

Message:


How big would a collision against the Moon need to be in order to cancel it's
tendency of gradually moving away from the Earth, keeping it at aproximatly the
same distance from the Earth forever (or until the Sun blows over)?

Re: What would it take to keep the Moon?

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