We Can’t See It, But It Makes Up Most of Our World
They’ve finally found the God particle, and now for the next big scientific search: dark matter (which accounts for most of the mass in the universe).
Dark Matter can’t be seen with telescopes, but astronomers know it’s there because of the gravitational effects it has on the matter we CAN see. Galaxies, for example, could not rotate the way they do and hold their shape without the presence of dark matter.
Normal matter, the kind we can see with telescopes (such as stars and galaxies) is less than 5% of the mass/energy density in the universe, while dark matter makes up almost 30%.
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