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Dark matter is an invisible matter that occupies more than half of the space of the observable universe but cannot be detected directly as it doesn’t interac...
- 6 min
- 60.4K
- Science ABC
Much of what we know about dark matter is what it's not. Astrophysicist and curator Mordecai-Mark Mac Low gives an overview of what we understand about dark ...
- 3 min
- 62.6K
- American Museum of Natural History
Dark Matter is a theoretical form of invisible mass, which is believed to be present in galaxies, but has never been seen or detected. You've probably heard ...
- 40 min
- 777.9K
- SEA
The only way we currently know about it is the gravitational effects it has on normal matter. Dark energy is a different thing altogether. It is also called 'dark' due to our lack of knowledge about what it actually is, however we can infer its affect by the accelerating expansion of the universe.
- MI is the stars and gas that can be observed ("what he could see"). M2 is the dynamical mass estimated from the speeds of stars moving in their orb...
- It is a proposed explanation for the fact that large objects like galaxies and galaxy clusters and the Universe behave like they are far heavier th...
Jun 13, 2024 · Dark matter is that invisible glue that keeps stars, dust, and gas together in a galaxy. This mysterious substance makes up the majority of a galaxy's mass and forms the foundation of our Universe's structure. Dark matter is still one of the greatest mysteries of science. Credit: NASA/JPL-Caltech
Jan 19, 2022 · Astrophysicist Paul Sutter explains everything about this mystery in a way almost anyone can understand - what we know about dark matter, what don’t, and how we’re trying to find out more.
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Feb 23, 2023 · Over 1km below the surface, in a small corner of the giant mine's network of tunnels is a unique laboratory that could hold the answer to one of the biggest mysteries of the Universe - dark...
- 8 min