Green Matters on MSN
Scientists find planet orbiting sun-like star remarkably similar to Earth — but there's one problem
A unique characteristic of the candidate planet HD 137010b is its ice-cold temperature.
Astronomy on MSN
Why don't planets fall into the stars they orbit?
Why don't planets fall into the stars they orbit if they're constantly being pulled by gravity?Lindsey CoughterRocky Mount, North Carolina This is a brilliant question because the notion of an orbit ...
But unlike Jupiter, Venus does have phases, going from not illuminated at all (when it is between the Earth and the Sun) to ...
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