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.

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To be seen from the earth they would need to put out a billion times more power even than a supernova (a stellar explosion which, in turn, can outshine an entire galaxy of 100 billion stars).

ECONOMIST: Astronomy

The trio studied a particular type of stellar explosion, or supernova, and found that the most distant of these objects were receding quickest.

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