what is the difference between angstrom unit and astronomical unit
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Definition: Astronomical unit. Theastronomical unit (AU or au or a.u. or sometimes ua) is a unit of length. It is approximately equal to the mean distance between the Earth and Sun. The currently accepted value of the AU is 149 597 870 691 ± 30 metres (about 150 million kilometres or 93 million miles).
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Angstrom=10-10 its used to measure small distance Astronomical unit =1.5x10rp16m Its used to measure large distance like frm sun to earth
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