dec 122012
 
Vega Older Than Thought! What Does That Mean for Other Stars?

  Vega, a star astronomers have used as a touchstone to measure other stars’ brightness for thousands of years, may be more than 200 million years older than previously thought. That’s according to new findings from the University of Michigan. Vega, the brightest star in the constellation Lyra. Image Credit: John Monnier (University of Michigan) The [continue reading]