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4 facts tagged with Gravity Facts
An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
In zero gravity, a candle's flame is round and blue.
On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
If NASA sent birds into space they would soon die; they need gravity to swallow.