We observe a star that is dstar away. How much extinction would there need to be (i.e., what must tau be) if we had ignored intervening dust and concluded that it was actually 2*dstar away? Value: dstar = 1,060 pc
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We observe a star that is dstar away. How much extinction would there need to be (i.e., what must tau be) if we had ignored intervening dust and concluded that it was actually 2*dstar away? Value: dstar = 1,060 pc
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