The Largest Galaxy in the Universe: IC 1101 Prepare to sit and have your mind blown by IC 1101, the largest known galaxy in the universe. And now, just for comparasance, the size of our sun…. Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts Boomerang In Zero Gravity Do We Have to Get Old and Die? The Future of Airliners? How Much Water Is There In A Cloud? The World’s Blackest Material – An Inside Look At Vantablack A rocket just reached 100 km altitude and landed back safely on its feet!