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Far, Far Away
Our star and its planets are a tiny part of the Milky Way galaxy. The Milky Way is a huge city of stars, so big that even at the speed of light, it would take 100,000 years to cross it. All the stars in the night sky, including our sun, are just some of the residents of this galaxy. Beyond our own galaxy lies a vast expanse of galaxies.

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  What's Beyond Our Solar System Facts & Figures Missions FAQ

Additional Information:

Billions and billions: Even though we can't actually count the number of stars in our galaxy, we can estimate the number of stars in the galaxy at roughly 100,000,000,000.

Planet Hunt: Extrasolar planet hunters have found more than 450 planets orbiting more than 380 distant stars.

Additional Information:

Billions and billions: Even though we can't actually count the number of stars in our galaxy, we can estimate the number of stars in the galaxy at roughly 100,000,000,000.

Planet Hunt: Extrasolar planet hunters have found more than 450 planets orbiting more than 380 distant stars.