Artist’s conception of a Gamma Ray Burst. Jets of fast-moving material are propelled outward through a spherical shell of ejected material from the initial explosion of a massive star and its collapse into a black hole.
Credit: Bill Saxton, NRAO/AUI/NSF
A team of astronomers has detected the sonic boom from an immensely powerful cosmic explosion, even though the explosion itself was totally unseen. For years, astronomers have been hunting all over the sky for an example of this strange phenomenon, known as an “orphan afterglow.” At last, now they’ve finally found one.
The titanic eruption, known as a Gamma Ray Burst (GRB), was generated by the collapse of a massive star in a galaxy nearly 300 million light-years from Earth...
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