SpaceX Sends Sentinel-6B to Orbit for Precision Sea-Level Tracking

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4 weeks ago

November 17, 2025

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SpaceX successfully launched the Sentinel-6B ocean-monitoring satellite on November 17, 2025, marking its 500th orbital mission using a reused Falcon 9 booster. Sentinel-6B will extend more than 40 years of continuous sea-level measurement, delivering high-precision global ocean data as part of Europe’s Copernicus climate program. Equipped with advanced radar and mi…

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JWST Detects Oldest Supernova Ever Seen, Linked to GRB 250314A

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2 hours ago

December 12, 2025

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Astronomers using the James Webb Space Telescope have detected the oldest supernova ever recorded, tied to gamma-ray burst GRB 250314A. Occurring when the universe was only 730 million years old, the explosion provides a rare glimpse into the first generations of stars and early galaxy growth, highlighting Webb’s unmatched ability to study the distant cosmos.

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Chandra’s New X-Ray Mapping Exposes the Invisible Engines Powering Galaxy Clusters

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2 hours ago

December 12, 2025

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NASA’s Chandra X-ray Observatory has released stunning colour-coded galaxy cluster images that reveal shock waves, cooling gas, and cavities carved by supermassive black holes. By separating X-ray light into different energy bands, astronomers can now visualise hidden cosmic processes that shape the universe’s largest structures and control how galaxies grow over …

Science

Blue Origin to Fly First Wheelchair User to Space on New Shepard NS-37

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2 hours ago

December 12, 2025

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Blue Origin’s upcoming NS-37 mission marks a historic first: sending aerospace engineer Michaela “Michi” Benthaus, a wheelchair user, into space aboard New Shepard. Scheduled for Dec. 18, the flight will take six passengers past the Kármán line for a few minutes of weightlessness, highlighting growing accessibility and inclusion in private spaceflight.