apr 282013
 
Mysterious hot spots observed in Betelgeuse

  Astronomers have released a new image of the outer atmosphere of Betelgeuse – one of the nearest red supergiants to Earth – revealing the detailed structure of the matter being thrown off the star. The e-MERLIN image of Betelgeuse. Image Credit: University of Manchester The new image, taken by the e-MERLIN radio telescope array operated [continue reading]

jan 222013
 
Betelgeuse is Heading for a Collision

  Multiple arcs are revealed around Betelgeuse, the nearest red supergiant star to Earth, in this new image from ESA’s Herschel space observatory. The star and its arc-shaped shields could collide with an intriguing dusty ‘wall’ in 5000 years. Composite color image of Betelgeuse. North is to the top left, east is to the bottom left, and [continue reading]