News tagged with supernova explosion

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Most ancient supernovas discovered

Supernovas -- stars in the process of exploding -- open a window onto the history of the elements of Earth's periodic table as well as the history of the universe. All of those heavier than oxygen were formed ...

dateOct 05, 2011 in Astronomy
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Space image: New supernova remnant lights up

(PhysOrg.com) -- Using the Hubble Space Telescope, astronomers are witnessing the unprecedented transition of a supernova to a supernova remnant, where light from an exploding star in a neighboring galaxy, ...

dateSep 13, 2011 in Astronomy
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Are stellar explosions created equal?

Cosmic distances are difficult to grasp and no less difficult to measure. When it comes to other galaxies or even remote parts of our own Milky Way, distance measurements are nothing but assessments, derived from indirect ...

dateAug 22, 2011 in Astronomy
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Team finds Type Ia supernovae parents

Type Ia supernovae are violent stellar explosions whose brightness is used to determine distances in the universe. Observing these objects to billions of light years away has led to the discovery that the universe is expanding ...

dateAug 11, 2011 in Astronomy
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New supernova remnant lights up

(PhysOrg.com) -- In 1987, light from an exploding star in a neighboring galaxy, the Large Magellanic Cloud, reached Earth. Named Supernova 1987A, it was the closest supernova explosion witnessed in almost ...

dateJun 08, 2011 in Astronomy
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New class of stellar explosions discovered

They're bright and blue-and a bit strange. They're a new type of stellar explosion that was recently discovered by a team of astronomers led by the California Institute of Technology (Caltech). Among the most ...

dateJun 08, 2011 in Astronomy
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A supernova that's super different

A researcher at the Harvard-Smithsonian Center for Astrophysics believes that a new kind of supernova is at work in recent observations of bright but short-lasting stellar explosions that don’t appear ...

dateJun 03, 2011 in Astronomy
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Probing the origins of extreme neutron stars

(PhysOrg.com) -- Neutron stars are the unimaginably dense corpses of what were once much more massive stars that died while being ripped apart in a supernova explosion. Their average density is typically more than one billion ...

dateMay 31, 2011 in Astronomy
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Nearby supernova factory ramps up

(PhysOrg.com) -- A local supernova factory has recently started production, according to a wealth of new data from NASA's Chandra X-ray Observatory on the Carina Nebula. This discovery may help astronomers ...

dateMay 24, 2011 in Astronomy
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