Search results for galaxy:

results timeline

Refine search   


Stars Fueled by Dark Matter Could Hold Secrets to the Universe

Stars Fueled by Dark Matter Could Hold Secrets to the Universe

Physics / General Physics

created Nov 03, 2009 | popularity 4.4 / 5 (58) | comments 44

(PhysOrg.com) -- The first stars in the universe may have been very different from the stars we see today, yet they may hold clues to understanding some of the mysterious features of the universe. These "dark ...


Galactic nuclei offer some indication of axionlike particles

Physics / General Physics

created May 28, 2009 | popularity 4.5 / 5 (26) | comments 18

(PhysOrg.com) -- “Axionlike particles are interesting because they come up regularly when scientists study string theory. By looking at their properties, you hope to learn about string theory, or some other unified theory ...


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 ...


Newly discovered star one of hottest in Galaxy

Newly discovered star one of hottest in Galaxy (w/ Video)

Space & Earth / Astronomy

created Dec 02, 2009 | popularity 4.7 / 5 (21) | comments 2

(PhysOrg.com) -- Astronomers at The University of Manchester's Jodrell Bank Centre for Astrophysics have discovered one of the hottest stars in the Galaxy with a surface temperature of around 200,000 degrees ...


The Energy Sources of Ultraluminous Galaxies

The Energy Sources of Ultraluminous Galaxies

Space & Earth / Astronomy

created Nov 27, 2009 | popularity 4.7 / 5 (20) | comments 3

(PhysOrg.com) -- Ultraluminous infrared galaxies ((ULIRGs) are galaxies whose luminosity exceeds that of a trillion suns; for comparison, the Milky Way galaxy has a typical (and much more modest) luminosity ...


Cosmic 'dig' reveals vestiges of the Milky Way's building blocks

Cosmic 'Dig' Reveals Vestiges of the Milky Way's Building Blocks

Space & Earth / Astronomy

created Nov 25, 2009 | popularity 4.7 / 5 (21) | comments 1

(PhysOrg.com) -- Peering through the thick dust clouds of our galaxy's "bulge" (the myriads of stars surrounding its center), a team of astronomers has unveiled an unusual mix of stars in the stellar grouping ...


First black holes may have incubated in giant, starlike cocoons, says CU-Boulder study

First black holes may have incubated in giant, starlike cocoons

Space & Earth / Astronomy

created Nov 24, 2009 | popularity 4.2 / 5 (20) | comments 22

(PhysOrg.com) -- The first large black holes in the universe likely formed and grew deep inside gigantic, starlike cocoons that smothered their powerful x-ray radiation and prevented surrounding gases from ...


'Cosmic fruit machine' matches collisions

'Cosmic fruit machine' matches collisions

Space & Earth / Astronomy

created Nov 24, 2009 | popularity 4.5 / 5 (6) | comments 2

(PhysOrg.com) -- A new website will give everyone the chance to contribute to science by playing a 'cosmic fruit machine' and compare images of colliding galaxies with millions of simulated images of galactic ...


Cassini's Big Sky: The View from the Center of Our Solar System

Cassini's Big Sky: The View from the Center of Our Solar System

Space & Earth / Space Exploration

created Nov 20, 2009 | popularity 4.8 / 5 (15) | comments 1

(PhysOrg.com) -- When NASA's Cassini spacecraft began orbiting Saturn five years ago, a dozen highly-tuned science instruments set to work surveying, sniffing, analyzing and scrutinizing the Saturnian system.


Baffling boxy bulge

NGC 4710 galaxy: Baffling boxy bulge (w/ Video)

Space & Earth / Astronomy

created Nov 18, 2009 | popularity 4.4 / 5 (14) | comments 0

(PhysOrg.com) -- Just as many people are surprised to find themselves packing on unexplained weight around the middle, astronomers find the evolution of bulges in the centres of spiral galaxies puzzling. A ...


Close-up movie shows hidden details in the birth of super-suns

Close-up movie shows hidden details in the birth of super-suns (w/ Video)

Space & Earth / Astronomy

created Nov 16, 2009 | popularity 4.8 / 5 (10) | comments 1

(PhysOrg.com) -- The constellation of Orion is a hotbed of massive star formation, most prominently in the Great Nebula that sits in Orion's sword. The glowing gas of the Nebula is powered by a group of young ...


A faraway planet intrigues: Exoplanet with extremely tilted orbit raises new interest in stellar astronomy

A faraway planet intrigues: Exoplanet with extremely tilted orbit raises new interest in stellar astronomy

Space & Earth / Astronomy

created Nov 12, 2009 | popularity 4.5 / 5 (12) | comments 6

(PhysOrg.com) -- Two teams of astronomers have found a planet outside the solar system that might be orbiting backwards compared to its star's rotation, a discovery that could shed light on how unique the ...


Rapid supernova could be new class of exploding star

Rapid supernova could be new class of exploding star

Space & Earth / Astronomy

created Nov 05, 2009 | popularity 4.7 / 5 (18) | comments 6

(PhysOrg.com) -- An unusual supernova rediscovered in seven-year-old data may be the first example of a new type of exploding star, possibly from a binary star system where helium flows from one white dwarf ...


Dark Matter in a Galaxy

Dark Matter in a Galaxy

Space & Earth / Astronomy

created Oct 30, 2009 | popularity 4.1 / 5 (20) | comments 19

(PhysOrg.com) -- Stars, the most familiar objects in the night sky, make up only a tiny percentage of the total amount of matter in the universe -- about 2%.


Physicist makes new high-res panorama of Milky Way

Physicist makes new high-res panorama of Milky Way

Space & Earth / Astronomy

created Oct 28, 2009 | popularity 4.6 / 5 (14) | comments 3

Cobbling together 3000 individual photographs, a physicist has made a new high-resolution panoramic image of the full night sky, with the Milky Way galaxy as its centerpiece. Axel Mellinger, a professor at ...