Latest Christopher Kochanek Stories
An otherwise nondescript binary star system in the Whirlpool Galaxy has brought astronomers tantalizingly close to their goal of observing a star just before it goes supernova. The study, submitted in a paper to the Astrophysical Journal, provides the latest result from an Ohio State University galaxy survey underway with the Large Binocular Telescope, located in Arizona. In the first survey of its kind, the researchers have been scanning 25 nearby galaxies for stars that brighten and...
A giant star in a faraway galaxy recently ended its life with a dust-shrouded whimper instead of the more typical bang. Ohio State University researchers suspect that this odd event -- the first one of its kind ever viewed by astronomers "“ was more common early in the universe. It also hints at what we would see if the brightest star system in our galaxy became a supernova. In a paper published online in the Astrophysical Journal, Christopher Kochanek, a professor of astronomy at Ohio...
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