December 2025 | Page 9 | Simple Site

James Webb Space Telescope (JWST)

Sagittarius B2 Molecular Cloud

The Mid-Infrared Instrument (MIRI) on NASA’s James Webb Space Telescope captured glowing cosmic dust heated by very young massive stars in unprecedented detail in this image of the Sagittarius B2 (Sgr B2) molecular cloud released on Sept. 24, 2025. Sgr B2 is the most massive, and active star-forming region in our galaxy, located only a […]

Posted December 1, 2025

Johnson Space Center

People of Johnson

Mark Elder: Building the Future of Spacewalking for Artemis and Beyond

For more than 25 years, Mark Elder has helped make human spaceflight safe and possible.

Posted December 1, 2025

Earth Observatory

A Glimpse of History in Benin City

The ancient walls, ramparts, and ditches that wind through this Nigerian city are the longest known earthworks of the pre-mechanical era.

Posted December 1, 2025

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48

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215

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5

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6

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13

340

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16

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18

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