How do astronomers measure the amount of dark matter in the universe

Hello There!

Astronomers do this by comparing the gravitational mass of galaxies to the luminous mass of galaxies.

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overall, nba 2k20 is a better looking game than nba 2k19, but the improvement is slight. it comes down to lighting and a new facial animation concept that makes the players look more life like. a lot of people say its trash, but i'm a bog fan so i don't care i was going to play it regardless. i have a three level scorer, he's lit i'm grinding hip to top rep,

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me, are you talking about psychology