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Home Q & A Board Science-Related Homework Help Physics
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barry barry
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10 years ago
Explain what a standard candle is and how it could be used to determine a galaxy's distance.
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10 years ago
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.
Would you know my name, if I saw you in heaven?

Eric Clapton
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barry Authorbarry
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10 years ago
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