Question

Which galaxy has the least stars per unit volume?

Answer 1

Among other data, scientists used the galaxies visible in the Great Observatories Origins Deep Survey (GOODS) to recalculate the total number of galaxies in the observable Universe. The image was taken by the NASA/ESA Hubble Space Telescope and covers a portion of the southern field of GOODS. This is a large galaxy census, a deep-sky study by several observatories to trace the formation and evolution of galaxies

Answer 2

A dwarf galaxy is a small galaxy composed of about 100 million up to several billion stars, a small number compared to the Milky way's 200-400 billion star.

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