Largest structure in universe discovered, it's mind-boggling. Astronomers have discovered the largest known structure in the universe, a clump of active galactic cores that stretches 4 billion light-years from end to end.
Simeis 147 (Spaghetti Nebula) is a large SN remnant in the constellations of Taurus and Auriga. It is the result of a SN explosion about years ago, it is 3000 light years away and about 140 light years across.what's your spaghetti policy?
A galactic gathering Nearly as deep as the Hubble Ultra Deep Field, which contains approximately 10 000 galaxies, this incredible image from the NASA/ESA Space Telescope reveals thousands of colourful galaxies in the constellation of Leo (The.