Stellar Evolution
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…
Here There Be Planets: Stellar Disk Gap May Reveal Newborn Worlds
HiCIAO near-infrared image of the protoplanetary disk around PDS 70. The circular mask hides the star itself, as well as…
Dying Star Blows Surprising Spiral Bubble
Using the Atacama Large Millimeter/submillimeter Array, or ALMA, astronomers found an unexpected spiral structure surrounding the red giant star R…
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…
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…
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…
NASA’s STEREO Spots a New Nova
While on duty observing the Sun from its position in solar orbit, NASA's STEREO-B spacecraft captured the sudden appearance of…
Hubble Gets Best Look Yet At Messier 9
[/caption] First discovered by Charles Messier in 1764, the globular cluster Messier 9 is a vast swarm of ancient stars…
Speca – An Intriguing Look Into The Beginning Of A Black Hole Jet
[/caption] Its name is SPECA - a Spiral-host Episodic radio galaxy tracing Cluster Accretion. That's certainly a mouthful of words…