How can we use Cepheid variables and supernovae to determine stellar distances?

1 Answer
chandramohanPanakkal
Apr 4, 2016

Cepheid variables.The pulsation period and luminosity is connected by a relation,..So Cepheid variable can be used as a standard candle to measure distances.

Explanation:

Type ! a supernova also can be used as standard candle -in far away galaxies where we can not resolve individual stars by telescopes.enter image source here
Picture credit websmm catholic edu AU.

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