James Webb telescope finds ancient galaxy larger than our Milky Way, and it's threatening to upend cosmology

Feb 20, 2024 17:07 EST

Astronomers believe the first galaxies formed around giant halos of dark matter. But a newly discovered galaxy dating to roughly 13 billion years ago mysteriously appeared long before that process should have occurred.

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James Webb telescope finds ancient galaxy larger than our Milky Way, and it's threatening to upend cosmology

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James Webb telescope finds ancient galaxy larger than our Milky Way, and it's threatening to upend cosmology

Astronomers believe the first galaxies formed around giant halos of dark matter. But a newly discovered galaxy dating to roughly 13 billion years ago mysteriously appeared long before that process should have occurred.

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