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JWST

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Science

Webb identified the host galaxy of the most distant fast radio burst yet

NASA says the James Webb Space Telescope found an actively star-forming dwarf galaxy 1,000 times less massive than expected.

13 Sources, 8h ago, updated 8h ago

$A field full of small galaxies of all shapes against the blackness of space. A few bright white stars show 8 prominent diffraction spikes. A small galaxy at lower right is highlighted with a white box. A shaded triangle extends upward to the corners of a larger box showing a zoom in of the region. Two fuzzy, light blue blobs are at center, with a larger and brighter one at top. Just above the top blob is a white crosshair showing the location where a fast radio burst was detected.$

Science

JWST observations suggest early galaxies spread heavy elements into surrounding gas

A post describes carbon, oxygen and silicon signatures in gas around three distant galaxies.

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7 Sources, 8d ago, first seen 8d ago