Runaway planets zoom at a fraction of light speed

Seven years ago, astronomers boggled when they found the first runaway star flying out of our Galaxy at a speed of 1.5 million miles per hour. The discovery intrigued theorists, who wondered: If a star can get tossed outward ...

Hyperfast Star Was Booted from Milky Way

(PhysOrg.com) -- NASA's Hubble Space Telescope has detected a hypervelocity star - a rare entity moving three times faster than our sun.

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