Other signal to gravitational waves

astroarabia

The big announcement of gravitational waves on 2016 was detected by LIGO (Laser Interferometer and Gravitational-wave observatory) on 14-sep 2015, and new view was born to how universe is work.

The waves was produced by disturbance of space and time, caused by the merging of a pair of black hole weighted 30 time solar mass  located a 1.3 billion light year away. However the merging is far away and faint to detect where exactly the black holes.

After half of second, a detection by Gamma-ray Burst Monitor (GBM) on NASA’s Fermi Gamma-ray Space Telescope showed a weak burst of high-energy light consistent with the same part of the sky. which is 0.2-percent chance of simply being random coincidence.

“Gamma-rays arising from a black hole merger would be a landmark finding because black holes are expected to merge “cleanly,” without producing any sort of light” Nasa explained.

Understanding such events…

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