Earth, planetary
Earth is our home planet, and it's the only place in the universe where we know for certain that life exists. Earth formed over 4.5 billion years ago from a swirling cloud of gas and dust ...
3d
Space.com on MSNWhat do lunar eclipses teach us about Earth?Ready for a show? On the night of March 13 into the early hours of March 14, a total lunar eclipse will occur as the moon moves into the Earth's umbra, or shadow, turning the bright white lunar ...
Astronomers have identified a quartet of small rocky planets orbiting Barnard's star - one of our closest stellar neighbors - ...
Astronomers have discovered not one, but four tiny planets orbiting Barnard’s Star, our cosmic neighbor. These planets, each ...
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