Here is a view of Earth and its moon, as seen from Mars. It combines two images acquired on Nov. by the HiRISE camera on NASA& Mars Reconnaissance Orbiter, with brightness adjusted separately for Earth and the moon to show details on both bodies.
Moonlets are born and quickly die in Saturn’s F ring Tiny moons, no bigger than large mountains, may coalesce and collide with the densest part of the ring, creating luminous knots. But the moons don’t last long. Image via Cassini.
NASA is helping Stephen Hawking get a tiny ship to Alpha Centauri
What causes Hubble's Variable Nebula to vary? The unusual nebula featured here changes its appearance noticeably in just a few weeks. Hubble's Variable Nebula is a reflection nebula made of gas and fine dust fanning out from the star R Monocerotis.
Globular Star Cluster NGC 6752 Image Credit & Copyright: Damian Peach Explanation: Some light-years away toward the southern constellation Pavo, the globular star cluster NGC 6752 roams the halo of our Milky Way galaxy.