News tagged with astronomy and astrophysics

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Scientists observe super-massive black holes using Keck Observatory in Hawaii

Scientists observe super-massive black holes using Keck Observatory in Hawaii

Space & Earth / Astronomy

created Dec 10, 2009 | popularity 5 / 5 (8) | comments 3

An international team of scientists has observed four super-massive black holes at the center of galaxies, which may provide new information on how these central black hole systems operate. Their findings ...


Researchers explain the activity of black holes at the centre of galaxy clusters

Researchers explain the activity of black holes at the centre of galaxy clusters

Space & Earth / Astronomy

created Sep 04, 2009 | popularity 3.9 / 5 (15) | comments 27

(PhysOrg.com) -- Astronomers at the University of Bonn have clarified the connection between black holes at the centre of galaxy clusters and surrounding gas, which serves them as "food". The scientists have ...


Astronomers use gamma-ray burst to probe star formation in the early universe

Astronomers use gamma-ray burst to probe star formation in the early universe

Space & Earth / Astronomy

created Jan 06, 2009 | popularity 4.6 / 5 (5) | comments 1

(PhysOrg.com) -- The brilliant afterglow of a powerful gamma-ray burst (GRB) has enabled astronomers to probe the star-forming environment of a distant galaxy, resulting in the first detection of molecular ...





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Brown dwarf pair mystifies astronomers

Brown dwarf pair mystifies astronomers

Space & Earth / Astronomy

created Dec 21, 2009 | popularity 4.8 / 5 (16) | comments 1

(PhysOrg.com) -- Two brown dwarf-sized objects orbiting a giant old star show that planets may assemble around stars more quickly and efficiently than anyone thought possible, according to an international ...


New planet discoveries suggest low-mass planets are common around nearby stars

New planet discoveries suggest low-mass planets are common around nearby stars (w/ Video)

Space & Earth / Astronomy

created Dec 14, 2009 | popularity 4.8 / 5 (19) | comments 14

(PhysOrg.com) -- An international team of planet hunters has discovered as many as six low-mass planets around two nearby Sun-like stars, including two "super-Earths" with masses 5 and 7.5 times the mass of ...


A faint star orbiting the Big Dipper's Alcor discovered

A faint star orbiting the Big Dipper's Alcor discovered

Space & Earth / Astronomy

created Dec 10, 2009 | popularity 5 / 5 (5) | comments 0

Next time you spy the Big Dipper, keep in mind that there is another star, invisible to the unaided eye, contributing to this constellation.


Swift spacecraft

Magnetic Power Revealed in Gamma-Ray Burst Jet

Space & Earth / Astronomy

created Dec 09, 2009 | popularity 4.1 / 5 (9) | comments 8

(PhysOrg.com) -- A specialized camera on a telescope operated by U.K. astronomers from Liverpool has made the first measurement of magnetic fields in the afterglow of a gamma-ray burst (GRB). The result is ...


Team using Subaru Telescope makes major discovery

Team using Subaru Telescope makes major discovery

Space & Earth / Astronomy

created Dec 03, 2009 | popularity 4.8 / 5 (21) | comments 2

An international team of scientists that includes an astronomer from Princeton University has made the first direct observation of a planet-like object orbiting a star similar to the sun.


Stellar family portrait takes imaging technique to new extremes

Stellar family portrait takes imaging technique to new extremes

Space & Earth / Astronomy

created Dec 03, 2009 | popularity 4.5 / 5 (2) | comments 1

Noted for harbouring Eta Carinae -- one of the wildest and most massive stars in our galaxy -- the impressive Carina Nebula also houses a handful of massive clusters of young stars. The youngest of these stellar ...


A Superbright Supernova That’s the First of Its Kind

A Superbright Supernova That’s the First of Its Kind

Space & Earth / Astronomy

created Dec 02, 2009 | popularity 4.7 / 5 (24) | comments 6

(PhysOrg.com) -- An extraordinarily bright, extraordinarily long-lasting supernova named SN 2007bi, snagged in a search by a robotic telescope, turns out to be the first example of the kind of stars that first ...


Black hole caught zapping galaxy into existence?

Black hole caught zapping galaxy into existence?

Space & Earth / Astronomy

created Nov 30, 2009 | popularity 4.8 / 5 (27) | comments 9

(PhysOrg.com) -- Which come first, the supermassive black holes that frantically devour matter or the enormous galaxies where they reside? A brand new scenario has emerged from a recent set of outstanding ...


Spitzer Telescope Observes Baby Brown Dwarf

Spitzer Telescope Observes Baby Brown Dwarf

Space & Earth / Astronomy

created Nov 23, 2009 | popularity 4.8 / 5 (13) | comments 0

(PhysOrg.com) -- NASA's Spitzer Space Telescope has contributed to the discovery of the youngest brown dwarf ever observed -- a finding that, if confirmed, may solve an astronomical mystery about how these ...


Ultra-Powerful Laser Reproduces How Star's Jets Travel through Interstellar Space

Ultra-Powerful Laser Reproduces How Star's Jets Travel through Interstellar Space

Physics / General Physics

created Nov 20, 2009 | popularity 4.6 / 5 (9) | comments 0

(PhysOrg.com) -- A multi-trillion-watt laser at the University of Rochester has simulated a stellar jet -- an outpouring of matter from a fledgling star -- with unprecedented realism.



List of search results for astronomy and astrophysics