A Type II supernova (plural: supernovae or supernovas) results from the rapid collapse and violent explosion of a massive star. A star must have at least 8 ... Formation · Core collapse · Light curves for Type II-L and... · Type IIb supernovae
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The so-called classic explosion, associated with Type II supernovae, has as progenitor a very massive star (a Population I star) of at least eight solar ...
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Recognised as a distinct type of supernova in the early 1940s, Type II (SNII) are characterised by hydrogen emission in their spectra, and light curve shapes ...
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Type II supernovae are associated with the core collapse of a massive star together with a shock-driven expansion of a luminous shell which leaves behind a ...
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Supernova, something that we've all heard about at one time or another, are simply amazing celestial events. The type that we're going to be looking at is ...
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Gravity gives the supernova its energy. For Type II supernovae, mass flows into the core by the continued formation of iron from nuclear fusion. Once the core ...
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Type II Supernovae ... Main sequence stars more massive than 8 solar masses are unable to lose sufficient mass to become white dwarfs. Their higher luminosities ...
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Type II supernova: star runs out of nuclear fuel and collapses under its own gravity.
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Type II supernovae have less sharp peaks at maxima and peak at about 1 billion solar luminosities. They die away more sharply than the Type I. Type II ...
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Type II Supernovae · The iron core collapses and within about 0.1 seconds the temperature in the core reaches ~5 x 109 K. · The radiation field of the core is ...
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15 Mar 2016 · There are two main types of supernovae, the Type I and the Type II. I know this sounds a little counter intuitive, but let's start with the ...
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5 Sept 2008 · Since massive stars are involved, Type II supernovas are found in the spiral arms and other star-forming regions of spiral and disk galaxies, ...
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Proven very difficult to ascertain the exact mechanism of. Type II supernova explosions: Problem: the bounce launches a shock wave with an energy that is a ...
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24 Apr 2021 · Type II Supernovae result from the collapse of massive stars, resulting from the collapse of the star's iron core. This usually occurs once ...
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