Galaxies M51 (HST) January 6, 2016 · NASA Zoom to full resolution See where it is in the 3D sky Share Original on NASA ↗ More Hubble images of M51The Whirlpool Galaxy (M51a) with it's sparkling arms is the first galaxy found to have a spiral structure.April 25, 2005Rebel rebelJanuary 18, 2016A galactic mega-mergerJanuary 11, 2016Stars Similar to Eta Carinae in Nearby GalaxiesJanuary 6, 2016Location of Eta Car Analog Stars in Nearby GalaxiesJanuary 6, 2016M101 (HST)January 6, 2016NGC 6946 (HST, Subaru)January 6, 2016Supermassive and super-hungryJanuary 4, 2016 ← Newer: Location of Eta Car Analog Stars in Nearby GalaxiesOlder: M101 (HST) →