February 20, 2017

Homework Help: Science

Posted by Maeve on Sunday, April 19, 2009 at 3:25pm.

Planets shine by reflected sunlight. How can planets be brighter than stars?

Approxinmately how many times brighter than Mars is Earth's full moon? (i do know the Moon's apparent magnitude equals -12.6)

Could we see the sun if it were 32.6 light years from Earth?

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