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1932

Story Behind a Picture

Short animated clip shows dynamic streaks of red and orange circling a dark center.
Physical World

What the image of the Milky Way’s black hole really shows

The massive object at the galaxy’s center is invisible. But this year’s picture of the swirling plasma around its edges will help to reveal more about the galaxy’s history and evolution.

Animation shows a spinning blue and black orb against a dark sky. Beams of light shoot out from its poles.
Physical World

Probing the mysteries of neutron stars with a surprising earthly analog

Ultracold gases in the lab could help scientists to better understand the universe

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