IC 1101( The largest known Galaxy) A Galaxy consists of stars, a huge collection of gases, interstellar remnants, dust, dark matters etc. Galaxies are classified into a spiral, elliptical or irregular based on their formation. The largest known galaxy ever discovered is IC 1101. It is a massive elliptical galaxy. It is at a distance of 1.045 billion light-years away from the Earth, and its diameter is 1.97million light year. It also consists of the largest known black hole known to man. Andromeda is the largest galaxy in the local group. It is also the closest to our Milkyway Galaxy. The size comparison of Galaxy IC 1101 with our Galaxy Milkyway is shown in the picture below. Some interesting facts about Galaxy IC 1101. 1. There are about 100 lakh crore (100 trillion) stars exist in this supermassive Galaxy. 2. The Galaxy is in Virgo constellation. 3. The Galaxy was discovered in 1790 by Brit...