Besides Cepheid variables, what other standard candle is mentioned as a benchmark for closer galaxies?

Answer

Tip of the Red Giant Branch (TRGB).

The Tip of the Red Giant Branch marks a specific luminosity where certain mass stars begin fusing helium in their core, serving as another dependable benchmark standard candle for measuring distances within closer galaxies.

Besides Cepheid variables, what other standard candle is mentioned as a benchmark for closer galaxies?

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How Do We Measure Distance In The Universe? - YouTube

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