New Theory Suggests That Dark Matter Could Be an Extra-Dimensional Cosmic Refugee - ScienceAlert

Massive gravitons may have formed a trillionth of a second after the Big Bang, in abundances great enough to account for dark matter.

Dark matter, the elusive substance that accounts for the majority of the mass in the universe, may be made up of massive particles called gravitons that first popped into existence in the first momen… [+4872 chars]

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