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News tagged with stars

Related topics: planets , galaxies , milky way , star formation , hubble space telescope

Astronomical fireworks: On the origins of Type Ia supernova

(PhysOrg.com) -- A little luck and a lot of hard work can really light up the sky.

Space & Earth / Astronomy

created Feb 28, 2012 | popularity 5 / 5 (6) | comments 18 | with audio podcast

Ultra-fast outflows help monster black holes shape their galaxies

(PhysOrg.com) -- A curious correlation between the mass of a galaxy's central black hole and the velocity of stars in a vast, roughly spherical structure known as its bulge has puzzled astronomers for years. ...

Space & Earth / Astronomy

created Feb 27, 2012 | popularity 5 / 5 (3) | comments 10 | with audio podcast

Preview of a forthcoming supernova

(PhysOrg.com) -- NASA's Hubble Telescope captured an image of Eta Carinae. This image consists of ultraviolet and visible light images from the High Resolution Channel of Hubble's Advanced Camera for Surveys. ...

Space & Earth / Astronomy

created Feb 27, 2012 | popularity 4.7 / 5 (12) | comments 14 | with audio podcast

Extending the habitable zone for red dwarf stars

Scientists have long thought that planets had to orbit very close to small and dim red dwarf stars in order to be warm enough for life. New research challenges that assumption.

Space & Earth / Astronomy

created Feb 24, 2012 | popularity 4.8 / 5 (12) | comments 4 | with audio podcast

Coral-eating sea star invaders turn out to be locals

Researchers at the Hawai'i Institute of Marine Biology (HIMB), the Joint Institute for Marine and Atmospheric Research (JIMAR), organized research units in the University of Hawai'i at Manoa's School of Ocean and Earth Science ...

Biology / Ecology

created Feb 21, 2012 | popularity 5 / 5 (2) | comments 0

Chandra finds fastest wind from stellar-mass black hole

Astronomers using NASA's Chandra X-ray Observatory have clocked the fastest wind yet discovered blowing off a disk around a stellar-mass black hole. This result has important implications for understanding ...

Space & Earth / Astronomy

created Feb 21, 2012 | popularity 4.1 / 5 (7) | comments 10 | with audio podcast

In distance space, a water world: Hubble reveals a new class of extrasolar planet

(PhysOrg.com) -- An international team of astronomers led by Zachory Berta of the Harvard-Smithsonian Center for Astrophysics (CfA) made the observations of the planet GJ 1214b.

Space & Earth / Astronomy

created Feb 21, 2012 | popularity 4.8 / 5 (24) | comments 24 | with audio podcast

Stars containing dark matter should look different from other stars

(PhysOrg.com) -- Finding evidence for dark matter – the unknown substance that theoretically makes up 23% of the universe – has been one of the biggest challenges in modern cosmology. Several experiments ...

Physics / General Physics

created Feb 20, 2012 | popularity 4.5 / 5 (17) | comments 11 | with audio podcast feature

A sheep in wolf-rayet's clothing

(PhysOrg.com) -- It’s well known that the universe is changeable: even the stars that appear static and predictable every night are subject to change.

Space & Earth / Astronomy

created Feb 20, 2012 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Pulsars: The Universe's gift to physics

Pulsars, superdense neutron stars, are perhaps the most extraordinary physics laboratories in the Universe. Research on these extreme and exotic objects already has produced two Nobel Prizes. Pulsar researchers now are poised ...

Space & Earth / Astronomy

created Feb 19, 2012 | popularity 5 / 5 (6) | comments 47 | with audio podcast

'Beam me up, Scotty:' ASU professor uses Star Trek themes to communicate science

Before firing up the dilithium crystals in your warp drive, you should know what you are getting into, said Lawrence Krauss, ASU Foundation Professor at Arizona State University. When applied to the known laws of physics, ...

Other Sciences / Social Sciences

created Feb 19, 2012 | popularity 3.7 / 5 (3) | comments 2

The star factory: observing Arp 220

Using the Herschel Space Observatory, Wilson's group has found Arp 220 to have large amounts of very warm molecular hydrogen gas, a surprising find that implies molecular hydrogen is the dominant coolant in the high-temperature ...

Space & Earth / Astronomy

created Feb 18, 2012 | popularity 5 / 5 (2) | comments 4

From Earth's water to cosmic dawn: New tools unveiling astronomical mysteries

(PhysOrg.com) -- Two new and powerful research tools are helping astronomers gain key insights needed to transform our understanding of important processes across the breadth of astrophysics. The Atacama Large ...

Space & Earth / Astronomy

created Feb 17, 2012 | popularity 4.3 / 5 (4) | comments 0

Researchers suggest high energy emissions from Crab Nebula come from wind

(PhysOrg.com) -- An international team of physicists studying the Crab Nebula have offered a new theory to explain its extraordinarily high energy emissions that have intrigued space scientists for years. ...

Space & Earth / Astronomy

created Feb 16, 2012 | popularity 4 / 5 (2) | comments 6 | with audio podcast report

Astronomers watch instant replay of powerful stellar eruption

Astronomers are watching the astronomical equivalent of an instant replay of a spectacular outburst from the unstable, behemoth double-star system Eta Carinae, which was initially seen on Earth nearly 170 ...

Space & Earth / Astronomy

created Feb 15, 2012 | popularity 4.7 / 5 (17) | comments 1 | with audio podcast