For all we understand about the universe, 96 percent of what’s out there still has scientists in the dark. Astronomical observations have established that familiar matter--atoms--accounts for only 4 percent of the weight of the cosmos.
Read More »For all we understand about the universe, 96 percent of what’s out there still has scientists in the dark. Astronomical observations have established that familiar matter--atoms--accounts for only 4 percent of the weight of the cosmos.
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