This looks like a near miss but the greenish coma and tail of Comet Siding Spring are really light-years or so away from the stars of open cluster Messier - Image Credit & Copyright: Rolando Ligustri (CARA Project, CAST)
A new study on KIC the star of alien megastructure fame, finds yearlong trends that effectively rule out the one working theory astronomers had to explain this strange star. The post Tabby’s Star: Weird Star Gets Weirder appeared first on Sky & Telescope.
Andromeda Galaxy A massive spiral million light-years away, over twice the diameter of our own Milky Way, it's the largest nearby galaxy. Andromeda's population of bright young blue stars lie along its sweeping spiral arms. by Spitzer Space Telescope
This OSIRIS narrow-angle camera view was captured by Rosetta on 22 September 2014 from a distance of 28 km. It focuses on the irregular, fractured and stratified morphology of the Seth region of the main body. A wide terrace is seen in the foreground with a deep pit revealing the inner layered skeleton of the comet nucleus.
Galaxy NGC 772 shows signs of being pulled apart after interacting gravitationally with another galaxy. The other galaxy has pulled apart the spiral arms of NGC while the external spiral arms vanish in the intergalactic medium.what he said Sal x
kenobi-wan-obi: “ The Brown Ghoul: vdB 141 “ vdB 141 is a reflection nebula located in the constellation Cepheus. Sometimes referred to as the ghost nebula, its awkward name is its catalog number in Sidney van den Bergh’s catalog of reflection.