Space and Astronomy Megathread (MERGED) - Part 1

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NGC 2685: The Helix Galaxy
Image Credit & Copyright: Stefan Thrun

 

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Gravitational waves reveal most massive black hole merger ever detected — one 'forbidden' by current models

"Black holes this massive are forbidden through standard stellar evolution models."

www.space.com

 

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The Rosette Nebula from DECam
Image Credit: CTIO, NOIRLab, DOE, NSF, AURA; Processing: T. A. Rector (U. Alaska Anchorage), D. de Martin (NSF’s NOIRLab) & M. Zamani

 

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Collapse in Hebes Chasma on Mars
Image Credit & License: ESA/DLR/FU Berlin (G. Neukum)

 

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NASA preps key piece of Artemis IV moon rocket for lunar mission | Space photo of the day for July 17, 2025

The SLS payload adapter is moved as it concludes its rigorous testing

www.space.com

 

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Astronomers find giant hidden molecular cloud fueling star birth in Milky Way

An international team of astronomers has discovered a massive cloud of gas and dust located in a little-known region of our Milky Way galaxy. The Giant Molecular Cloud (GMC) is about 60 parsecs—or 200 light years—long.

phys.org

 

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ISS Meets Saturn
Image Credit & Copyright: A.J. Smadi

 

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Messier 6
Image Credit & Copyright: Xinran Li

 

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Gaia Reconstructs a Top View of our Galaxy
Illustration Credit: ESA, Gaia, DPAC, Stefan Payne-Wardenaar

 

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Cat's Paw Nebula from Webb Space Telescope
Image Credit: NASA, ESA, CSA, STScI

 

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'Fighting dragons' light up little-known constellation in the Southern sky: Space photo of the week

A nebula where young stars sculpt dragon-like forms has been imaged in colorful detail by the Dark Energy Camera in Chile.

www.livescience.com

 

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Titan Shadow Transit
Image Credit & Copyright: Volodymyr Andrienko