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Atom & Cosmos

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Hypervelocity star

ON THE LOOSE  Hypervelocity stars (one illustrated) travel so fast they can escape the galaxy. US 708 is the fastest known of this cohort, possibly ejected by a supernova explosion, astronomers say.

Hubble Space Telescope image of lensed supernova

Gravity from a galaxy (box) in this Hubble Space Telescope image bends light from a more distant supernova, creating four images of the exploding star (arrows).

unverse

FAR, FAR AWAY  With the help of a new instrument, researchers measured distances to 181 galaxies, seen in this Hubble Space Telescope image, including a few that Hubble missed (highlighted).

Atom & Cosmos

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