Which unit is the workhorse for extragalactic astronomy, used for measuring distances to nearby galaxy clusters?

Answer

Megaparsec (Mpc)

The Megaparsec, representing one million parsecs, is the standard unit astronomers use when dealing with distances on the scale of galaxy clusters beyond the immediate vicinity of the Milky Way.

Which unit is the workhorse for extragalactic astronomy, used for measuring distances to nearby galaxy clusters?

#Videos

What is Parsec ? How 1 parsec is measured? - YouTube

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