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To: ETL

It should be mentioned that many constellations are made up of stars that are nowhere near each other, except from our perspective.


21 posted on 03/05/2010 10:49:28 AM PST by Erasmus ("Ah, sweet Albion. My perfidious, perfidious Albion!")
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To: Erasmus

Yes, that’s true of constellations and many other background stars. An intrinsically brighter star farther away can have the same apparent brightness as a dimmer one much closer to home.


23 posted on 03/05/2010 10:59:09 AM PST by ETL (ALL (most?) of the Obama-commie connections at my FR Home page: http://www.freerepublic.com/~etl/)
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