Wednesday, April 30, 2014

ScienceDaily: Astronomy News

ScienceDaily: Astronomy News


The intergalactic medium unveiled

Posted: 29 Apr 2014 03:50 PM PDT

Astronomers have taken unprecedented images of the intergalactic medium -- the diffuse gas that connects galaxies throughout the universe -- with the Cosmic Web Imager. Until now, the structure of the IGM has mostly been a matter for theoretical speculation. However, with observations from the Cosmic Web Imager, deployed on the Hale 200-inch telescope at Palomar Observatory, astronomers are obtaining our first three-dimensional pictures of the IGM.

Search for extraterrestrial life more difficult than thought

Posted: 29 Apr 2014 03:50 PM PDT

A new study suggests the search for life on planets outside our solar system may be more difficult than previously thought. The study finds the method used to detect biosignatures on such planets, known as exoplanets, can produce a false positive result.

Herschel discovers mature galaxies in the young Universe

Posted: 29 Apr 2014 03:36 PM PDT

New Herschel results have given us a remarkable insight into the internal dynamics of two young galaxies. Surprisingly, they have shown that just a few billion years after the Big Bang, some galaxies were rotating in a mature way, seemingly having completed the accumulation of their gas reservoirs.

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