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Title: List at least three qualities that would tend to make a type of astronomical obj Post by: ppk on Apr 20, 2012 List at least three qualities that would tend to make a type of astronomical object useful as a standard candle.
Title: Re: List at least three qualities that would tend to make a type of astronomical obj Post by: bio_man on May 12, 2012 Answers will vary, but some of the key properties of good standard candles include little statistical scatter in brightness; high luminosity, so they can be seen at a great distance; and relative commonness, so they can be found in many objects.
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