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answers:
poornakumar b say: It is not floating. It is arvtationall bound to all others
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spinesign say: better Q: Y should it move anywhere?
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Art say: It's actually falling toward the center of mass of the Universe.
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Tom S say: It is not floating, it orbits the center of our galaxy.
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quantumclaustrophobe say: It's not actually 'floating'... it's orbiting, around the center of the Milky Way. Just as Earth orbits the sun, the sun is likewise in orbit about the Milky Way. And - we orbit due to gravity.
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Bernard say: Magic
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Daniel say: Gravity and the weightless environment.
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hoarseman say: It consists mainly of hydrogen and helium?
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Norman say: Gravity.
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Starrysky say: It isn't. All stars in our galaxy are orbiting around the center, just as Earth orbits around the sun, and the moon orbits around the Earth.
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Link H say: bubble wrap. just kidding.
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Gary B say: gravity
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Innocent Victim say: There is no nearby object with gravity strong enough to make it fall. If another, larger star happened to travel through our solar system, it would plummet like a stone. The sun and all of the other visible stars are in orbit around the center of our galaxy, the Milky Way.
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Namjodh say: Air
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