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Astronomers discovered a new ultra-faint dwarf galaxy

A new ultra-faint dwarf galaxy has been discovered, according to astronomers from the University of Arizona (UA) and other institutions. Tucana B, the newly discovered galaxy, is the first quenched and isolated object of this type discovered on the fringes of the Local Group....

Hubble finds a star formation river

This newly revised NASA Hubble Space Telescope image of the Hickson Compact Group 31 (HCG 31) of galaxies highlights streams of star-formation as four dwarf galaxies interact with each other. The bright and distorted clump of young blue-white stars is named as NGC 1741....