The collision was triggered by a rogue galaxy, hurtling through space at an incredibly high speed of 2 million mph.
A violent clash of galaxies has been caught in unprecedented detail by one of the most powerful telescopes based in La Palma, Spain.
The impact triggered a colossal shockwave, ripping through the galactic gas and dust. It’s like a sonic boom from a jet fighter, but on a cosmic scale. This galaxy group has been further energized by the recent passage of NGC 7318b, a galaxy that has barreled through the group at an astonishing speed.
“Instead of causing significant disruption, the weak shock compresses the hot gas, resulting in radio waves that are picked up by radio telescopes like the Low-Frequency Array ,” said Soumyadeep Das, a PhD student at the University of Hertfordshire in the
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