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what is the role of stars in our galaxy and other galaxies in maintaining accurate navigation in outer space?
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what is the role of stars in our galaxy and other galaxies in maintaining accurate navigation in outer space?

User Blueman
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That's more than 275 million stars per day in the observable universe. Stars keep themselves fueled. They fuse elements together to make new elements. ... Once the star runs out of hydrogen, the helium atoms fuse together to make carbon.

User Costantino Grana
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