green pea galaxy
English
a selection of green pea galaxies discovered by Galaxy Zoo
Etymology
green + pea + galaxy. From being a galaxy having the appearance like green peas.
Noun
green pea galaxy (plural green pea galaxies)
- (astronomy) A type of galaxy, found in the local universe, that are active, undergoing high rates of star formation, which provides a green tinge, and are compact, visually appearing akin to peas. These active galaxies have strong oxygen emission lines and no active galactic nucleus (“AGN”), similar to small galaxies in the distant early universe, but unlike those in the nearby contemporary universe.
Alternative forms
- greenpea galaxy
Synonyms
- green pea
- greenpea
- pea
- pea galaxy
- GP
- GP galaxy
- green bean galaxy
Hypernyms
- active galaxy
- compact galaxy
- emission-line galaxy, ELG
- oxygen-line galaxy
- starburst galaxy
- galaxy
Derived terms
- GP
- GP galaxy
- green pea
- greenpea
- pea
- pea galaxy