Megaparsec (Mpc) — Science definition

A distance unit of about 3.26 million light-years, used for galaxy separations.

Where it is taught

• Spectra & Evidence for an Expanding Universe — Stars & the Universe, Earth & Space Science, Grade 9

Taught alongside

• spectrum
• redshift
• cosmic microwave background
• light-year

Elsewhere

• All science terms
• All courses and reading

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