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Title: Explain what a standard candle is and how it could be used to determine a galaxy Post by: barry on Aug 3, 2013 Explain what a standard candle is and how it could be used to determine a galaxy's distance.
Title: Re: Explain what a standard candle is and how it could be used to determine a galaxy Post by: nite_n_day on Aug 6, 2013 A standard candle is an object with a well known luminosity, such as a Type I supernova. If we see a standard candle in a distance galaxy, we can measure it's apparent brightness and use the inverse square law to determine its distance.
Title: Re: Explain what a standard candle is and how it could be used to determine a galaxy Post by: barry on Aug 7, 2013 Content hidden
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