JWST dwarf galaxy cosmic dust: A new study in The Astrophysical Journal finds that aging stars in Sextans A, a metal-poor galaxy resembling the early universe, can forge metallic iron dust and silicon ...
Astronomers find cosmic dust annoying when it blocks their view of the heavens, but without it the universe would be devoid of stars. Cosmic dust is the indispensable ingredient for making stars and ...
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