10 Interesting Facts About the Milky Way

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6Our Sun Is One Star Among Several Hundred Billion

There are a hundred billion stars in the Milky Way. Or is it 300 billion? Or 400 billion? That’s right—we don’t actually know how many stars are in our galaxy.

Many of them are dim, low-mass stars that are hard to detect over vast cosmic distances, and there are massive clouds obscuring the bulge of stars nearest to Sagittarius A*. Astronomers have estimated the total number of stars based on the Milky Way’s mass and brightness, but more precise numbers are still elusive.