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07-February-2008, 11:43 AM
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Boffin says Astronomical Unit should be binned
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07-February-2008, 04:20 PM
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25-February-2008, 12:26 AM
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An AU is a measurement of convenience.
A more accurate measurement grounded in real-world terms would be light-seconds or light-minutes or light-hours, etc. But who cares??? It's just a way to tell someone "Its this far away..."
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26-February-2008, 03:12 AM
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I think AU is great for illustrating astronomical distances in easily understandable terms,
especially when talking about solar systems. It wouldn't really help me to know that exoplanet XY was, say, 10.000.000 km away from its star. Or 6,5 lightminutes 
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26-February-2008, 04:51 PM
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Quote:
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