Thor's Helmet: this object, also known as NGC lies in the constellation of Canis Major (The Great Dog). The helmet-shaped nebula is around 15 000 light-years away from Earth and is over 30 light-years across.
Oldest Spiral Galaxy in Universe Discovered -An artist's rendering of galaxy which is billion light-years from Earth, & its companion dwarf galaxy(upper left). (Dunlap Institute for Astronomy & Astrophysics/Joe Bergeron/Yahoo! news)
Fermi Bubbles: Discovered in 2010 by NASA's Fermi Gamma-ray Space Telescope, the so-called radiation-emitting Fermi bubbles emanating from the center of the galaxy are each light years trillion miles) tall. Visible to gamma-ray telescopes,
Wide-field image showing the region of WR 25 and This cluster is embedded within the Carina Nebula, an immense cauldron of gas and dust that lies approximately 7500 light-years from Earth in the constellation of Carina, the Keel. by CarolinaBarbosa