apr 022013
 
Black Hole Wakes Up and has a Light Snack

  Astronomers have watched as a supermassive black hole woke up from a decades-long slumber to feed on a low-mass object – either a brown dwarf or a giant planet – that strayed too close. A similar feeding event, albeit on a gas cloud, will soon happen at the black hole at the center of our own [continue reading]

nov 202012
 
'Super-Jupiter' Around Massive Star Directly Imaged

  Astronomers using infrared data from the Subaru Telescope in Hawaii have discovered a “super-Jupiter” around the bright star Kappa Andromedae, which now holds the record for the most massive star known to host a directly imaged planet or lightweight brown dwarf companion. The “super-Jupiter” Kappa Andromedae b, shown here in an artist’s rendering, circles [continue reading]