Since it was first proposed way back in the 1930s, scientists have wondered about whether the matter we know of — atoms, their constituents, and other subatomic particles — represent all the matter that exists in the Universe, or whether there’s an unseen form of matter making up the majority of the cosmic mass budget: dark matter.
Although the evidence for it has been largely indirect and astrophysical in nature, the cumulative case for dark ma…
Since it was first proposed way back in the 1930s, scientists have wondered about whether the matter we know of — atoms, their constituents, and other subatomic particles — represent all the matter that exists in the Universe, or whether there’s an unseen form of matter making up the majority of the cosmic mass budget: dark matter. Although the evidence for it has been largely indirect and astrophysical in nature, the cumulative case for dark ma…
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