How special is our solar system? Is our sun unique? What about the number, arrangement, and composition of our planets – are they weird, or what astronomers expect to see? Is our planetary ...
IN SPACE JULY 24: In this handout from NASA, the giant asteroid Vesta is seen in an image taken from the NASA Dawn spacecraft about 3,200 miles above the surface July 24, 2011 in Space. The Dawn ...
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