International Supernovae Network
Home Latest SNe Observations Statistics SNe Atlas Contributions Programs Charts Library Software Meet us ISN Friends Join us Links Hosted by Since March 1996. International Supernovae Network Welcome to the International Supernovae Network (I.S.N.) web pages. The Network has the purpose to help contacts and share information among supernovae enthusiasts both amateurs and astronomers worldwide.
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Planetary Nebulae Observer's Home Page.
The planetary nebula M57 (NGC 6720), or the Ring Nebula as it is most commonly referred to for obvious reasons, lies about 1600 light years away from the Earth. The name "planetary nebula" given to this class of objects is due to the fact that many of them appear disc-like, similar to how the planets in our Solar System appear when viewed through a telescope. In reality, planetary nebulae are stars at the point of death.
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When supernovae go hyper: A mystery surrounds an exploding star
NASA Science News: Scientists thought they understood supernovae - the death throes of huge, exploding stars. However, a new kind of supernova, far too bright to be an ordinary supernova confounds current theories, and may be the explanation for gamma-ray bursts.
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Chandra Press Room - January 10, 2001
Chandra Associates Pulsar and Historic Supernova January 10, 2001 CXC PR: 01-02 Dolores Beasley NASA HQ Phone: 202-358-1753 Steve Roy Marshall Space Flight Center, Huntsville, AL Phone: 256-544-6535 Megan Watzke Chandra X-ray Observatory Center, CFA, Cambridge, MA Phone: 617-496-7998 cxcpress@cfa.harvard.edu Press Image and Caption SAN DIEGO -- Scientists using NASA s Chandra X-ray Observatory ...
chandra.harvard.edu/press/01_releases/press_011001.html reviews
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