Enceladus, Saturn's tiny moon (310mi dia) churns with internal heat,ejecting plumes of microscopic ice particles into Saturn's orbit. Photo from the Cassini orbiter in 10/08, NASA. #Enceladus #Saturn #Astronomy #NASA #Cassini_Orbiter
The Mars Express orbiter captured this stunning view of the north polar region of Mars /by ESA/DLR/FU Berlin (G. Neukum)
Scientists have discovered an invisible shield roughly 7,200 miles above earth. #mywatergallery
NASA Image of the Day | NASA Looks like an Owl
Astronomers have discovered the largest known structure in the universe, a clump of active galactic cores that stretch 4 billion light-years from end to end. The structure is a light quasar group (LQG), a collection of extremely luminous Galactic Nulcei powered by supermassive central black holes!
See Explanation. Clicking on the picture will download the highest resolution version available.