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This artist’s conception illustrates one of the most primitive supermassive black holes known (central black dot) at the core of a young, star-rich galaxy. Astronomers using NASA’s Spitzer Space Telescope have uncovered two of these early objects, dating back to about 13 billion years ago. The monstrous black holes are among the most distant known, and appear to be in the very earliest stages of formation, earlier than any observed so far. Credit: NASA/JPL-Caltech.

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Credit: Tim Doucette.

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This 2016 Curiosity rover selfie shows the vehicle at the “Okoruso” drilling site on Mount Sharp’s Naukluft Plateau. The Martian scene is a mosaic of images taken with the arm-mounted Mars Hands Lens Imager (MAHLI). Credit: NASA/JPL-Caltech/MSSS. Credit: NASA/JPL-Caltech/MSSS.

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Astronomy magazine December 2024 issue cover

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Hair of the Pleiades

Emanuele La Barbera, taken from Piano Battaglia, Sicily, Italy

The Pleiades (M45) star cluster is one of the most famous naked-eye objects in the sky, but only deep photographic exposures reveal the complexity of the fine strands of dust surrounding the stars. This imager took 28 hours of exposure with a 3.4-inch scope with a one-shot color camera.