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Atom & Cosmos

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composite image of top science stories of 2017

Scientists witnessed gigantic events this year — a neutron star collision and a calving Antarctic iceberg — and also demonstrated the transformative power of more minuscule changes.

illustration of neutron star collision

CRASH AND WAVE   In a galaxy 130 million light-years away, two neutron stars collided. This year, in the first detection of its kind, observatories caught the resulting gravitational waves and light show (illustrated).

illustration of TRAPPIST-1

SEVEN IN ONE GO  The small, cool star TRAPPIST-1, illustrated here, hosts a bevy of Earth-sized planets. There could be many more stars like it worth studying.

Atom & Cosmos

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