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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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To a boil

Jeffrey Horne, taken from Nashville, Tennessee

Sharpless 2–240 — also known as the Spaghetti Nebula — is the visible legacy of an exploded star, its energy having propelled debris into its surroundings. This image represents 567 hours of exposure in SHO filters from Bortle 8/9 skies taken over three winters, plus 1¼ hours of RGB data. Visible in the lower left is Mars, which visited the field in 2023.