Astronomy and Space

Groombridge 1830

Groombridge 1830, also known as Argelander's Star, is a star 29.9 light-years away in the constellation Ursa Major. With an apparent magnitude of 6.4, it is near the limit of naked eye visibility under ideal conditions. It has a low metallicity and is thought to be a superflare star.

Also on this shelf

See also

• ▸Cygnus NG-14
• ▸Charge-coupled device
• ▸General relativity

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