Story perspectives
Study Reveals Early Universe Heating from Black Holes
10/25/2025
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Story summary
- A study in The Astrophysical Journal analyzes conditions around 800 million years after the Big Bang, during the epoch of reionization.
- Researchers used a decade of data from the Murchison Widefield Array telescope in Western Australia.
- Reionization did not begin with a cold start.
- Heating likely occurred due to X-rays from early black holes and stellar remnants.
- Further data collection is expected to uncover more details about this period.
