Why does Phobos orbit Mars in ~ 8 hours while Earth's moon takes 24 hours?

Subject: Why does Phobos orbit Mars in ~ 8 hours while Earth's moon takes 24 hours?

Date: Tue Oct 13 07:29:27 1998
Posted by dDon Hillel
Grade level: grad (science)
School: none
City: Waban State/Province: MA
Country: USA
Area of science: Astronomy
ID: 908281767.As

Message:


Does it have anything to do with Mars having 1/2 the diameter of Earth 
and only 1/10th the mass of Earth?

Re: Why does Phobos orbit Mars in ~ 8 hours while Earth's moon takes 24 hours?

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