4. Neutron Star Collisions
Found Year: 2017.
Who Discovered It: LIGO
130 million light-years away is the location.
Before they crash, neutron stars revolve in a spiral pattern around one another. Only once every 10,000 years does this star collision occur, and the results are often one of two. Either a heavier neutron star will form as a result of it, or the stars will collapse and a black hole—that terrifying abyss—will arise.
Neutron star collision @newton_alencar/Pinterest
Everything within the magnetic field of a black hole, formed when stars collapse into one another, causes a ripple to be felt throughout space-time. In August of 2017, the first recorded instance of this phenomenon was detected by LIGO, the Advanced Laser Interferometer Gravitational-Wave Observatory.
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