Question

what is dark matter in space​

Answer 1

Dark matter is a form of matter thought to account for approximately 85% of the matter in the universe and about a quarter of its total energy density. ... Because dark matter has not yet been observed directly, if it exists, it must barely interact with ordinary baryonic matter and radiation, except through gravity.

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Answer 2

Answer:

Dark matter is stuff in space that has gravity, but it is unlike anything scientists have ever seen before. Together, dark matter and dark energy make up 95% of the universe. ... It's made of galaxies, stars, planets, black holes, comets, asteroids, and all the other cool space stuff!”