Supernovae
Do Puny White Dwarfs Make Wimpy Supernovae?
[/caption] Based on results from a radial velocity survey, Warren Brown, (Smithsonian Astrophysical Observatory) and his team have placed a…
Galaxy Zoo Searches for Supernovae
Aside from categorizing galaxies, another component of the Galaxy Zoo project has been asking participants to identify potential supernovae (SNe).…
Poor in one, Rich in another
[/caption]Just over three years ago, I wrote a blog post commemorating the 50th anniversary of one of the most notable…
Type II-P Supernovae as a New Standard Candle
[/caption] Much of astronomical knowledge is built on the cosmic distance ladder. This ladder is built to determine distances to…
Supernova Spews Its Guts Across Space
The recently refurbished Hubble Space Telescope has taken a new look at Supernova 1987A and its famous "String of Pearls,"…
Searching for the Elusive Type Ia Supernovae Progenitors
[/caption] Astronomers have Type Ia supernovae pretty well figured out. The way these exploding stars brighten and then dim are…
Cosmological Constant
[/caption] The cosmological constant, symbol Λ (Greek capital lambda), was 'invented' by Einstein, not long after he published his theory…
GRB Central Engines Observed in Nearby Supernovae?
[/caption] Are the relativistic jets of long gamma ray bursts (GRBs) produced by brand new black holes? Do some core-collapse…
Supernova or GRB? Radio Observations Allow Astronomers to Find Unusual Object
[/caption] For the first time, astronomers have found a supernova explosion with properties similar to a gamma-ray burst, but without…