Mrt 142013
 
Highly Active Galaxies in the Very Early Universe Found

  Record-breaking haul of distant galaxies includes most distant detection of water published to date   Observations with the Atacama Large Millimeter/submillimeter Array (ALMA) show that the most vigorous bursts of star formation in the cosmos took place much earlier than previously thought. The results are published in a set of papers to appear in the [continue reading]

Okt 172012
 
Massive Galaxies See Big Meals and Snacks in Other Galaxies

  Gravity Lenses Suggest Big Collisions Make Galaxies Denser   Using gravitational “lenses” in space, University of Utah astronomers discovered that the centers of the biggest galaxies are growing denser – evidence of repeated collisions and mergers by massive galaxies with 100 billion stars. This image, taken by the Hubble Space Telescope, shows a ring [continue reading]