NGC 3603 looks like a firework display. There's a cluster of hot young stars in the center surrounded by interstellar gas and dust, the material for making new stars. We won't be hearing any big firework bans from this - it's 20,000 light years away in the constellation Carina.
(Credit: NASA, ESA, R. O'Connell (University of Virginia), F. Paresce (National Institute for Astrophysics, Bologna, Italy), and the Hubble Heritage Team (STScI/AURA))
