NASA Answers The Question Of If We Can See Dark Matter In Space

Popular Mechanics reports:

Dark matter got its name because we aren’t able to see it. It doesn’t interact directly with electromagnetic radiation, so the detectors on our telescopes just can’t spot it. But it does interact with gravity, and by using gravity, we can spot where it’s hiding and, potentially, what influence it has on our universe.
Scientists have created a new map of the dark matter in the universe.
Using radiation left over from the Big Bang, researchers mapped the gravitational effects of the mysterious substance.

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