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Jun 9, 2022 · Philosophy cannot ultimately tell us whether astronomers are right or wrong about the existence of dark matter. But it can tell us whether astronomers do indeed have good reasons to believe in it ...
Aug 30, 2022 · Origins of the theory. In the 1970s, astronomers Vera Rubin and Kent Ford unveiled the theory of dark matter.They weren’t just taking a shot in the dark: there had long been a debate about why ...
- Gauri Sharma
Apr 22, 2024 · Dark matter is stuff in space that has gravity, but it is invisible and isn’t like anything else we know about. Dark matter makes up about 27% of the universe. Dark energy makes up roughly 68% of the universe. We don’t know much about dark energy either, but we do know there is a lot of it. Together, dark matter and dark energy make up ...
May 27, 2021 · Dark Matter is an invisible substance that permeates space. It accounts for 80% of the matter in the Universe. Astronomers were able to work out where it was because it distorts light from distant ...
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May 9, 2018 · These include dark matter’s impact on the stars in our galaxy (which revolve at speeds too great for ordinary matter’s gravitational force to rein in) and the motions of galaxies in galaxy ...
Dark matter. Invisible dark matter makes up most of the universe – but we can only detect it from its gravitational effects. Galaxies in our universe seem to be achieving an impossible feat. They are rotating with such speed that the gravity generated by their observable matter could not possibly hold them together; they should have torn ...
