Hunt down Leo's "other" trio of galaxies astronomy.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from astronomy.com Daily Mail and Mail on Sunday newspapers.
Leo I resides approximately 820,000 light-years away, which makes it the fourth most distant satellite of our Milky Way. It has a diameter on the order of 2,000 light-years and a mass of roughly 25 million Suns.