sep 062013
 
Coldest Brown Dwarfs Blur Lines between Stars and Planets

  Astronomers are constantly on the hunt for ever-colder star-like bodies, and two years ago a new class of objects was discovered by researchers using NASA’s WISE space telescope. However, until now no one has known exactly how cool their surfaces really are – some evidence suggested they could be room temperature. This artist’s conception [continue reading]

nov 052012
 
Hypergiant Star Turns Out to be 'Missing Link'

  A team of scientists from six European countries reported on November 1, 2012 they have finalized a thirty years long investigation of a hypergiant star that crossed the Yellow Evolutionary Void. In that period the star’s surface temperature quickly rose from five to eight thousand degrees. With this discovery a crucial ‘missing link’ in [continue reading]