Now consider a supernova explosion.

现在考虑一次超新星爆发。

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A pulsar is not a normal star, but a dense, rapidly spinning remnant of a supernova explosion.

脉冲星并不是一种正常的恒星，它是超新星爆炸后留下的高密度快速旋转的残余部分。

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The companion star had apparently survived the original supernova explosion that created the black hole.

图中这颗伴星显然从创造黑洞的超新星爆发中幸存下来。

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Astrophysicist George Jordan and his colleagues have uncovered a new class of supernova explosion.

FORBES: When A Supernova ... Fizzles

Like detectives inspecting the scene of a bank heist, astrophysicists carefully study supernovae remnants for the clues they provide to the supernova explosion itself, hundreds of years ago.

FORBES: When A Supernova ... Fizzles

"The interesting thing is that the protons don't get accelerated in the supernova explosion itself, but they get accelerated in what we call the remnant - the shockwave that is created in the explosion and then moves away through the interstellar medium, " said Dr Funk.

BBC: Cosmic rays: Fermi telescope settles mystery of origin