Blueberry galaxies (BBs) are dwarf starburst galaxies that have very high ionization rates and some of the lowest stellar masses and metallicities. They are smaller counterparts of Green Pea galaxies (GPs), but are more compact being less than 1⁄3000th the size of the Milky Way, are less distant, existing in low-density environments that are within the local universe, and have lower luminosities.
Blueberry galaxies (BBs) are dwarf starburst galaxies that have very high ionization rates and some of the lowest stellar masses and metallicities. They are smaller counterparts of Green Pea galaxies (GPs), but are more compact being less than 1⁄3000th the size of the Milky Way, are less distant, existing in low-density environments that are within the local universe, and have lower luminosities.
Source: Wikipedia "Blueberry galaxy" · CC BY-SA 4.0
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