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What powers the prominent helium emission from Hebe, a gas clump seen just 450 million years after the Big Bang? aasnova.org/2026/07/27/f... 🔭🧪
aasnova.orgFirst-Generation Stars Provide Better Fit than a Black Hole for Early-Universe Gas ClumpWhat powers the prominent helium emission from Hebe, a gas clump seen just 450 million years after the Big Bang?
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