Physics
LIGO may have seen its first black hole and neutron star collision
LIGO has probably seen the collision of a black hole and neutron star. That would mean it has spotted all three types of cosmic event it was designed to
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LIGO has probably seen the collision of a black hole and neutron star. That would mean it has spotted all three types of cosmic event it was designed to
From the archives: In 1994 comet Shoemaker-Levy 9 hit Jupiter, creating fireballs 2000 kilometres across 鈥� and raising US Congress alarm about what would happen if one hit Earth