News tagged with type ia supernova

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Was Kepler's supernova unusually powerful?

(Phys.org)—In 1604, a new star appeared in the night sky that was much brighter than Jupiter and dimmed over several weeks. This event was witnessed by sky watchers including the famous astronomer Johannes ...

dateSep 11, 2012 in Astronomy
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Supernova shrapnel found in meteorite

(PhysOrg.com) -- Scientists have identified the microscopic shrapnel of a nearby star that exploded just before or during the birth of the solar system 4.5 billion years ago.

dateSep 09, 2010 in Astronomy
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Ticking stellar time bomb identified (w/ Video)

(PhysOrg.com) -- "One of the major problems in modern astrophysics is the fact that we still do not know exactly what kinds of stellar system explode as a Type Ia supernova," says Patrick Woudt, from the University ...

dateNov 17, 2009 in Astronomy
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Stars with the chemical clock on hold

An international team of astrophysicists, led by Cristina Chiappini from the Leibniz Institute for Astrophysics Potsdam, has discovered a group of red giant stars for which the 'chemical clock' does not work: ...

dateApr 10, 2015 in Astronomy
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