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Is There Dark Matter Inside the Earth?

super collider
Image: © SuperCDMS/Slac National Accelerator Laboratory

Dark matter is a hypothetical component to our universe, used to explain many strange behaviors of stars and galaxies.

Despite the almost overwhelming evidence that dark matter does indeed exist, we still don’t know what it’s made of. Detectors scattered around the world have been operating for decades, trying to catch the faint trace of a passing dark matter particle, but to no avail. A new paper offers an alternative approach: dig deep.

We know that dark matter exists through a variety of astronomical observations. Stars are orbiting the centers of their galaxies too fast. Galaxies are whizzing around inside clusters too quickly. Massive structures in the universe are appearing too early.

Full Story From Live Science 

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