Distant Galaxies Crash to Produce Massive Sonic Boom, Could Reveal Secrets About the Universe: Report

Distant Galaxies Crash to Produce Massive Sonic Boom, Could Reveal Secrets About the Universe: Report

One of the most intense cosmic shockwaves has been observed in Stephan’s Quintet, a group of galaxies located approximately 290 million light-years from Earth. The event was triggered by the galaxy NGC 7318b colliding with four neighbouring galaxies at an estimated velocity of two million mph (3.2 million kmph). The…