A sonic boom several times larger than our Milky Way has been detected by 's James Webb Space Telescope (JWST) - and it was created during a galactic invasion.JWST, along with the Atacama Large Millimeter/submillimeter Array (ALMA), observed galaxy NGC 7318b forcing its way into the five within Stephan's Quintet at 1.8 million miles per hour - a speed that would take you from Earth to the Moon would take just eight minutesThe event created a shockwave that rippled through the interstellar plasma and kickstarted a 'recycling plant' for warm and cold molecular hydrogen gas between the five galaxies.
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