How are the craters on Phobos 'eroded'?

Subject: How are the craters on Phobos 'eroded'?

Date: Sun Dec 3 05:01:13 2006
Posted by Victor
Grade level: teacher/prof School: No school entered.
City: Carleton Place State/Province: Ontario Country: Canada
Area of science: Astronomy
ID: 1165147273.As

Message:


In a NASA picture of Phobos (http://antwrp.gsfc.nasa.gov/apod/ap061203.html)
the surface is seen to be riddled with craters. Some of them are barely 
discernible. How is it that this "weathering" has occured?

Re: How are the craters on Phobos 'eroded'?

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