Dark Matter Is All Around Us But We Don't Know What It Is

Learn astronomy, space, and science facts: What is Dark Matter? Dark matter is "stuff" that is all around us, but like with dark energy, astronomers and astrophysicists don't know what it is. Dark matter particles have a gravitational influence on normal matter throughout the universe, and they bend space. But it doesn't interact with the electromagnetic field, which means it doesn't absorb, reflect, or emit light. Here's a cool and fun fact. This "stuff" that scientists haven't yet figured out holds galaxies together.

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Space at the Speed of Light, a book by astrophysicist Dr. Becky Smethurst: https://tinyurl.com/3kcb4xmw (Affiliate Link)

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