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Astronomy news

Integral challenges physics beyond Einstein

(PhysOrg.com) -- ESA's Integral gamma-ray observatory has provided results that will dramatically affect the search for physics beyond Einstein. It has shown that any underlying quantum 'graininess' of space ...

Space & Earth / Astronomy

created Jun 30, 2011 | popularity 4.8 / 5 (46) | comments 166 | with audio podcast

Black hole jets

(PhysOrg.com) -- Black holes are irresistible sinks for matter and energy. They are so dense that not even light can escape from their gravitational clutches. Massive black holes (equal to millions or even ...

Space & Earth / Astronomy

created Jan 16, 2012 | popularity 4.6 / 5 (7) | comments 6 | with audio podcast

Dark matter mystery deepens

(PhysOrg.com) -- Like all galaxies, our Milky Way is home to a strange substance called dark matter. Dark matter is invisible, betraying its presence only through its gravitational pull. Without dark matter ...

Space & Earth / Astronomy

created Oct 17, 2011 | popularity 4.7 / 5 (22) | comments 30 | with audio podcast

Closest Type Ia supernova in decades solves a cosmic mystery

Type Ia supernovae (SN Ia's) are the extraordinarily bright and remarkably similar "standard candles" astronomers use to measure cosmic growth, a technique that in 1998 led to the discovery of dark energy ...

Space & Earth / Astronomy

created Dec 14, 2011 | popularity 4.7 / 5 (32) | comments 177 | with audio podcast

A planet made of diamond (w/ video)

A once-massive star that's been transformed into a small planet made of diamond: that is what University of Manchester astronomers think they've found in the Milky Way.

Space & Earth / Astronomy

created Aug 25, 2011 | popularity 4.9 / 5 (32) | comments 33 | with audio podcast

Light from galaxy clusters confirms theory of relativity

All observations in astronomy are based on light emitted from stars and galaxies and, according to the general theory of relativity, the light will be affected by gravity. At the same time all interpretations ...

Space & Earth / Astronomy

created Sep 28, 2011 | popularity 3.6 / 5 (14) | comments 29 | with audio podcast

Black holes spinning faster than ever before

(PhysOrg.com) -- Two UK astronomers have found that the giant black holes in the centre of galaxies are on average spinning faster than at any time in the history of the Universe. Dr Alejo Martinez-Sansigre ...

Space & Earth / Astronomy

created May 23, 2011 | popularity 4.3 / 5 (15) | comments 15 | with audio podcast

'Instant cosmic classic' supernova discovered

(PhysOrg.com) -- A supernova discovered yesterday is closer to Earth—approximately 21 million light-years away—than any other of its kind in a generation. Astronomers believe they caught the supernova ...

Space & Earth / Astronomy

created Aug 25, 2011 | popularity 5 / 5 (18) | comments 14 | with audio podcast

Tatooine-like planet discovered (w/ video)

(PhysOrg.com) -- Although cold and gaseous rather than a desert world, the newfound planet Kepler-16b is still the closest astronomers have come to discovering Luke Skywalker's home world of Tatooine. Like ...

Space & Earth / Astronomy

created Sep 15, 2011 | popularity 4.5 / 5 (13) | comments 42 | with audio podcast

Dark Energy is real: WiggleZ galaxy project proves Einstein was right again

(PhysOrg.com) -- An Australian-based astronomy team, co-led by Professor Michael Drinkwater from the School of Mathematics and Physics (SMP) at The University of Queensland (UQ), has shown that the mysterious ...

Space & Earth / Astronomy

created May 19, 2011 | popularity 4.5 / 5 (30) | comments 97 | with audio podcast

Has graphene been detected in space?

(PhysOrg.com) -- A team of astronomers, using the Spitzer Space Telescope, have reported the first extragalactic detection of the C70 fullerene molecule, and the possible detection of planar C24 ("a piece of graphene ...

Space & Earth / Astronomy

created Aug 11, 2011 | popularity 4.9 / 5 (8) | comments 17 | with audio podcast

Astronomers find elusive planets in decade-old Hubble data

(PhysOrg.com) -- In a painstaking re-analysis of Hubble Space Telescope images from 1998, astronomers have found visual evidence for two extrasolar planets that went undetected back then.

Space & Earth / Astronomy

created Oct 06, 2011 | popularity 4.9 / 5 (19) | comments 13 | with audio podcast

Astronomers discover that galaxies are either asleep or awake

(PhysOrg.com) -- Astronomers have probed into the distant universe and discovered that galaxies display one of two distinct behaviors: they are either awake or asleep, actively forming stars or are not forming ...

Space & Earth / Astronomy

created Jun 21, 2011 | popularity 4.4 / 5 (12) | comments 18 | with audio podcast

Densest known rocky planet: Astronomers unveil portrait of 'super-exotic super-Earth'

(PhysOrg.com) -- An international team of astronomers today revealed details of a "super-exotic" exoplanet that would make the planet Pandora in the movie Avatar pale in comparison.

Space & Earth / Astronomy

created Apr 29, 2011 | popularity 5 / 5 (14) | comments 22 | with audio podcast

Hubble rules out one alternative to dark energy

(PhysOrg.com) -- Astronomers using NASA's Hubble Space Telescope have ruled out an alternate theory on the nature of dark energy after recalculating the expansion rate of the universe to unprecedented accuracy.

Space & Earth / Astronomy

created Mar 14, 2011 | popularity 4.6 / 5 (25) | comments 92 | with audio podcast