About 95% of Our Galaxy's Mass is Dark Matter, a Mysterious Substance That Doesn't ... - Latest Tweet by NASA

About 95% of our galaxy's mass is dark matter, a mysterious substance that doesn't interact with light—but a new study suggests it may still be possible to measure its influence on our solar system: https://t.co/3HwCdEOTkk pic.twitter.com/vKyyrGpM82— NASA (@NASA) February 2, 2022

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