薇拉·鲁宾天文台发现首个极暗银河卫星星系

薇拉·鲁宾天文台在巡天观测初期便取得了新发现。该天文台成功探测到了首个极暗的银河卫星星系，命名为Aquarius IV。

The Vera C. Rubin Observatory has only just begun its survey, yet it has already discovered its first ultra-faint Milky Way satellite, Aquarius IV. The post 1st ultra-faint Milky Way satellite galaxy found by Rubin first appeared on EarthSky .