Astronomical Unit?

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answers:
goring say: Its a big unit of distance ;that is why its called astronomical.
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Lorenzo Steed say: "In the beginning, the Universe was created. This has made a lot of people very angry and was widely seen as a bad idea."
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Elyse Rose say: Some have said a Flask of Vodka.. but I wonder about (hick, hick) that.
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Ronald 7 say: About 93 Million miles
It is about the Mean Distance between the Sun and The Earth in its orbit
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Thorn say: Space is big. Really big. So scientists needed a unit of measure to go by.
They chose the distance of the earth to the sun. One astronomical unit.
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quantumclaustrophobe say: It's the average distance from the Earth to the Sun - about 92,900,000 miles.
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PhotonX say: Question? Here's a new user hint: if you want strangers to take the time to give thoughtful answers to your questions, make it look like you actually put more than a minimal effort into asking it. It's basic etiquette. At the very least, take the trouble to type "What is an Astronomical Unit, please?" But come one, it's not as though you don't have an electronic global information network literally at your fingertips, is it? My browser pops the answer up immediately without even having to open a web page. How hard is that? https://www.google.com/search?q=astronom...
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But, remarkably enough, planet Earth is *exactly* one AU from the Sun! Exactly!!! What are the odds?
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DrBob1 say: Rarely used in chemical calculations.
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Poseidon say: 1 Astronomical Unit (AU) is equivalent to 149597871 kilometres, 9.2956E+07 miles.
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Morningfox say: Yes, we have Astronomical Units.
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CarolOklaNola say: The average distance between the Earth and the Sun.

The only place where astronomical units work is in Kepler's third law of planetary motion and the Solar System.
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