Quasar light variability linked to black hole mass

User rating: 4 / 5 after 3 vote(s)

Quasars are some of the most luminous and distant objects in the universe – and appear to have something in common with ordinary light bulbs, say researchers at the University of Illinois at Urbana-Champaign and at the National Center for Supercomputing Applications.


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All News summaries for January 08, 2007

Beijing smog persists with Games just around corner

16 minutes ago | User rating: not rated yet
Beijing was swathed in smog on Friday just two weeks ahead of the Olympics as its notorious pollution defied aggressive steps aimed at clearing the air for next month's Games.

Massive oil spill clogs Mississippi River

16 minutes ago | User rating: not rated yet
The Mississippi River reopened to limited traffic on Friday, two days after a barge collided with a tanker spilling hundreds of thousands of gallons of fuel oil, the US Coast Guard said.

A new era in search for 'sister Earths'?

12 hours ago | User rating: not rated yet
Research presented at a recent astronomical conference is being hailed as ushering in a new era in the search for Earth-like planets by showing that they are more numerous than previously thought and that ...

'Impressionist' Spacecraft to View Solar System's Invisible Frontier

Jul 25, 2008 | User rating: not rated yet
(PhysOrg.com) -- At the edge of our solar system in December 2004, the Voyager 1 spacecraft encountered something never before experienced during its then 26-year cruise through the solar system — an invisible ...

NASA Successfully Tests Parachute for Ares Rocket

Jul 25, 2008 | User rating: not rated yet
(PhysOrg.com) -- NASA and industry engineers have successfully completed the first drop test of a drogue parachute for the Ares I rocket. The drogue parachute is designed to slow the rapid descent of the spent first-stage ...
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