Type Ia

White Dwarf Measured Before it Exploded as a Supernova

Using isotope measurements of a supernova remnant, astronomers have calculated the core density of a white dwarf before it exploded.

3 years ago

Two Stars On A Death Spiral Set To Detonate As A Supernova

Two white dwarfs circle around one other, locked in a fatal tango. With an intimate orbit and a hefty combined mass, the pair is ultimately…

9 years ago

End the Year with a Bang! See a Bright Supernova in Virgo

A 14th magnitude supernova discovered in the spiral galaxy NGC 4666 earlier this month has recently brightened to 11th magnitude, making…

9 years ago

Possible Bright Supernova Lights Up Spiral Galaxy M61

I sat straight up in my seat when I learned of the discovery of a possible new supernova in the…

9 years ago

SOFIA Gives Scientists a First-Class View of a Supernova

Astronomers wanting a closer look at the recent Type Ia supernova that erupted in M82 back in January are in…

10 years ago

The Rosy Remains of a Star’s Final Days

Stars like our Sun can last for a very long time (in human terms, anyway!) somewhere in the neighborhood of…

11 years ago

New Kind of “Runt” Supernovae Could be Lurking Unseen

Imagine this "Death from the Skies" scenario; a tiny supernova lurks unseen near our Sun. Astronomers from the Harvard-Smithsonian Center…

11 years ago

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…

12 years ago

Shiny New Supernova Spotted in Nearby Galaxy

[/caption] Literally an event of stellar proportions, a new Type Ia supernova has been identified in a spiral galaxy 25…

13 years ago