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How long will the Universe's hydrogen reserves last for?

How long will the Universe's hydrogen reserves last for?

Grade:8

1 Answers

Komal
askIITians Faculty 747 Points
7 years ago
The vast majority of hydrogen in the universe is in hot gas in galaxy clusters, or cold, extremely diffuse atomic hydrogen in the intergalactic medium (Lyman alpha absorbers). Neither population is likely to ever form stars, so I think the safe answer is "forever."

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