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Technology · Space technology · published 2026-09-03 · via ScienceDaily

Star Formation Decline Outpaces Drop in Neutral Hydrogen

Image via ScienceDaily
Image via ScienceDaily

Combining data from China's FAST telescope and DESI observations of 2.5 million galaxies, researchers found that star formation has fallen by a factor of 2.5 over the last 4.5 billion years, while neutral atomic hydrogen only decreased by 1.4 times. This discrepancy suggests that factors other than raw fuel availability are driving the collapse in stellar birth rates.

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This summary is AI-generated and original to Mobble; the linked article is the authoritative source. Original headline: “The Universe Has Plenty of Hydrogen. So Why Is Star Formation Collapsing?.” Browse more stories.