mei 192012
 
An Unrecognized Galaxy Population in the Young Cosmos

  The universe was born about 13.7 billion years ago in the Big Bang. The Sun and its system of planets formed about five billion years ago. What happened, then, during that long, intervening stretch of nearly nine billion years? This is one of the key questions in modern science.  Now you don’t see it; [continue reading]

mrt 212012
 
VISTA stares deep into the cosmos

Treasure trove of new infrared data made available to astronomers Click to Enlarge ESO’s VISTA telescope has created the widest deep view of the sky ever made using infrared light. This new picture of an unremarkable patch of sky comes from the UltraVISTA survey and reveals more than 200 000 galaxies. It forms just one [continue reading]