A message sent out from earth to outer space in the 70s. From left to right are numbers from one to ten, atoms including hydrogen and carbon, some interesting molecules, DNA, a human with description, basics of our Solar System, and basics of the sending telescope.
Orion in Gas, Dust, and Stars Explanation: The constellation of Orion holds much more than three stars in a row. A deep exposure shows everything from dark nebula to star clusters, all embedded in an extended patch of gaseous wisps in the greater Orion Molecular Cloud Complex. Image Credit & Copyright: Rogelio Bernal Andreo (Deep Sky Colors) apod.nasa.gov/...
Anticrepuscular Rays Over Wyoming (Feb 21 2012) Image Credit & Copyright: Nate Cassell What's happening over the horizon? Although the scene may appear somehow supernatural, nothing more unusual is occurring than a setting Sun and some well placed clouds. Pictured above are anticrepuscular rays. To understand them, start by picturing common crepuscular rays that are seen any time that sunlight pours though scattered clouds. #astronomy
Sunspot Group 1429 and the Distant Sun (Mar 19 2012) Image Credit & Copyright: Juan Manuel Pérez Rayego What's that on the Sun? Over the past two weeks, one of the most energetic sunspot regions of recent years crossed the face of the Sun. Active Region 1429, visible above as the group of dark spots on the Sun's upper right, blasted out several solar flares and coronal mass ejections since coming around the edge of the Sun almost a month ago. #astronomy
Another Tail for Comet Garradd (Mar 3 2012) Image Credit & Copyright: Olivier Sedan (Sirene Observatory) Remarkable comet Garradd (C2009/P1) has come to be known for two distinctive tails. From the perspective of earthbound comet watchers the tails are visible on opposite sides of its greenish coma. Seen here in a telescopic view, the recognizable dust tail fans out to the right, trailing the comet nucleus in its orbit.