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Universe's first winter was snowy

Hydrogen flakes dusted cosmos before there were stars or planets.

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References

  1. Pfenniger, D. & Puy, D. Possible flakes of molecular hydrogen in the early Universe. Preprint, (2002).

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Ball, P. Universe's first winter was snowy. Nature (2002). https://doi.org/10.1038/news021118-8

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  • DOI: https://doi.org/10.1038/news021118-8

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