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Astronomy

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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).

Kepler 11

TIGHT FIT  The star Kepler 11 (illustrated) is home to six planets, five of which would fit inside the orbit of Mercury. Most solar systems might form with planets squished even closer together.

black hole

LARGER THAN IT LOOKS  Gas swirls around a 12-billion-solar-mass black hole (illustrated), the most massive one known in the early universe.

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