aug 302012
Record -Breaking Supernova  Helps Understand Distant Galaxy

  Nature hath no fury like a dying star – and astronomers couldn’t be happier…   An international research team, led by Edo Berger of Harvard University, made the most of a dying star’s fury to probe a distant galaxy some 9.5 billion light-years distant. The dying star, which lit the galactic scene, is the [continue reading]

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]

feb 172012
Tellurium detected for the first time in ancient stars

An image of an ultra pure tellurium crystal.  Nearly 13.7 billion years ago, the universe was made of only hydrogen, helium and traces of lithium — byproducts of the Big Bang. Some 300 million years later, the very first stars emerged, creating additional chemical elements throughout the universe. Since then, giant stellar explosions, or supernovas, [continue reading]