The forces of rotation caused red hot masses of stones to be torn away from the Earth and to be thrown into the ether, and this is the origin of the stars.

— Anaxagoras 428 BC

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How to Travel at (Nearly) the Speed of Light

Wed, 05/29/2019 - 11:19am
Learn about the three ways to travel at (nearly) the speed of light.
Categories: Astronomy, NASA