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NuStar is untangling the mystery of how

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stars explode

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here we're looking at a simulation of a

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supernova explosion the massive star

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that's collapsing in on itself shown in

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color is a temperature of the gas as the

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stars exploding what happens is that hot

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bubbles at the center of the core blast

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out through the shock wave ripping the

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star apart this leaves behind a pattern

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of radioactive ash that new star can

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observe hundreds of years later what was

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interesting about the data was that it

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didn't look anything like any of the

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models we expected before launch this is

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actually a very good reason why you

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build instruments and try to go into new

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energy bands to get new discovery space