Atom & Cosmos

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Abell 2744

MAPPING A COSMIC LENS  The strong gravity of galaxy cluster Abell 2744 magnifies (color) and elongates (gray lines) light from galaxies that lurk in the very distant universe.

neighborhood of stars packed tightly together (illustrated)

ALTERNATE UNIVERSE   A neighborhood of stars packed tightly together (illustrated) might heat interstellar space enough for an orphaned planet wandering nearby to have liquid water on its surface and, therefore, potential for life.

illustration of future mission to Europa

A future mission to Europa, illustrated here, will investigate the moon’s subsurface ocean while orbiting Jupiter and flying by the moon multiple times (blue lines).

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