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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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July 2025

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Shells of its former self

Adriano Anfuso/Vikas Chander

The elliptical galaxy NGC 474 (lower right) contains multiple shell-like structures and tidal tails as a result of past interactions with other galaxies. The galaxy is currently interacting with a neighboring spiral galaxy, NGC 470 (just to its left). The lenticular galaxy NGC 467 (at left) is a background galaxy, more than twice as distant. The imagers used a 24-inch scope to capture 20 hours of data.