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 ...
Astronomers have found thousands of exoplanets around single stars, but few around binary stars—even though both types of stars are equally common. Physicists can now explain the dearth.
Morning Overview on MSN
How gravity sculpts the universe from Einstein to cosmic magnifying lenses
From the fall of an apple to the glow of the farthest known star, gravity quietly choreographs almost everything that happens ...
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