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Amirnezam Amiri

2 articles · 20 co-authors · latest: 2026-02-26

Hidden Gas Clumps Trick Astronomers in Early Galaxies

JWST studied three distant galaxies and found tiny, dense gas clumps dominate certain light signals. This makes standard methods underestimate elements like oxygen and nitrogen. New computer models that treat gas more realistically fix these errors, helping us understand galaxy formation.
arXiv:2601.08939v1 · 2026-01-13

Dyson Spheres Around White and Red Dwarfs: Calculating the Search

A Dyson sphere is a cosmic blanket that captures all of a star's energy. Scientists have figured out how such a blanket glows around white and red dwarfs: the bigger it is, the cooler it gets. Surprisingly, the hottest blanket comes from the dimmest star. These clues will aid telescopes in the hunt
arXiv:2602.23270 · 2026-02-26