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Try failed stars for alien life

The search for alien life usually focuses on planets around other stars. But a lesser-known possibility is that life has sprung up on planets that somehow were ejected from their original solar systems and became free-floating ...

dateMar 31, 2011 in Astronomy
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Giant stars reveal inner secrets for the first time

(PhysOrg.com) -- University of Sydney astrophysicists are behind a major breakthrough in the study of stars known as red giants, finding a way to peer deep into their cores to discover which ones are in early infancy, which ...

dateMar 31, 2011 in Astronomy
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Superconductors face the future

Futuristic ideas for the use of superconductors, materials that allow electric current to flow without resistance, are myriad: long-distance, low-voltage electric grids with no transmission loss; fast, magnetically levitated ...

dateSep 10, 2010 in Superconductivity
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Origin of Key Cosmic Explosions Still a Mystery

(PhysOrg.com) -- When a star explodes as a supernova, it shines so brightly that it can be seen from millions of light-years away. One particular supernova variety - Type Ia - brightens and dims so predictably that astronomers ...

dateJul 12, 2010 in Astronomy
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