Saturday, November 8, 2014

ScienceDaily: Stars News

ScienceDaily: Stars News


Astronomers peer into galaxies' star-forming centers

Posted: 06 Nov 2014 01:51 PM PST

Astronomers provide data from a new instrument, offering the most precise picture yet of events 4 billion years ago at the centers of distant, dust-cloaked galaxies.

Astronomy: Debris-strewn exoplanetary construction yards

Posted: 06 Nov 2014 11:35 AM PST

Over the past few years, astronomers have found an incredible diversity in the architecture of exoplanetary systems, as well as the planets themselves. A survey using the sharp view of the Hubble Space Telescope has uncovered a similar diversity in the debris systems that coincide with the formation of exoplanets. These circumstellar dusty disks are likely generated by collisions between objects left over from planet formation around stars. The survey's results suggest that there is some sort of interdependence between a planet and the accompanying debris system.

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