Stars
Closely-Orbiting Stellar Companions Surrounded by “Mystery Dust”
Artist's concept showing a dust disk around a binary system containing a white dwarf and a less-massive M (red) dwarf…
STEREO Spots a CME Soaring Into Space
Press "play." Say "wow." The enormous eruption of a solar prominence and resulting coronal mass ejection (CME) back on August…
A New Species of Type Ia Supernova?
Artist’s conception of a binary star system that produces recurrent novae, and ultimately, the supernova PTF 11kx. (Credit: Romano Corradi…
Weekly SkyWatcher’s Forecast: August 27-September 2, 2012
Greetings, fellow SkyWatchers! If you only get your telescope or binoculars out once in a Blue Moon, then get them…
Bright Stars Don’t Like to Be Alone
Caption: New research using data from European Southern Observatory telescopes, including the Very Large Telescope, has revealed that the hottest…
NASA To Launch The Finest Mirrors Ever Made
This Wednesday NASA will launch its High Resolution Coronal Imager (HI-C) mission from White Sands Missile Range in New Mexico,…
The Last Outbursts of a Dying Star
As stars approach the inevitable ends of their lives they run out of stellar fuel and begin to lose a…
“Impossible” Binary Star Systems Found
Astronomers think about half of the stars in our Milky Way galaxy are, unlike our Sun, part of a binary…
The Case of the Disappearing Dust
Astronomy has always taught us that planets form from vast clouds of dust and gas orbiting young stars. It's a…
WISE Spies a Hunter’s Flame
A vast star-forming cloud of gas and dust in the constellation Orion shines brightly in this image from NASA's WISE…