Remarkable phenomena in the Universe: Five galaxies collide at an astonishing speed of two million miles per hour to create a sonic boom

A truly amazing moment where the 'intergalactic sonic boom' occurs when five galaxies collide at 2,000,000 mph. The striking effect has been seen in previously unheard-of detail in the nearby galaxy cluster known as Stephan's Quintet, which was first seen nearly 150 years ago, as quoted in a report by Express US.

Scientists in space have seen five galaxies collide at a startling two million miles per hour.
Unprecedented detail was used to witness the dramatic event in Stephan's Quintet, a nearby galaxy group that was first discovered almost 150 years ago.


A powerful shock akin to a sonic boom from a jet fighter," one of the most amazing phenomena in the universe, was caused by the impact, according to researchers, SWNS reports.

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A group of scientists used the first observations from the brand-new William Herschel Telescope Enhanced Area Velocity Explorer (WEAVE) wide-field spectrograph in La Palma, Spain, which cost 20 million euros ($21 million), to identify the collision. Group of more than 60 astronomers discovered NGC 7318b, and the results were published in the Royal Astronomical Society's (RSG) Monthly Notices.

Stephan's Quintet is a galactic crossroad where past collisions between galaxies have left behind a complex field of debris, according to a statement from RSG. The galaxy NGC 7318b's passage has now reactivated this field of debris.

The amount of detail that WEAVE has uncovered here is amazing, said Professor Gavin Dalton, principal investigator for WEAVE at RAL Space and the University of Oxford.

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The observations of Stephan's Quintet have provided a stunning glimpse into galactic interactions, providing a remarkable perspective on what may be happening in the formation and evolution of faint galaxies that we see at the limits of our current capabilities.

FAQs

What is Stephan's Quintet, and why is it important?
Stephan's Quintet is a group of five galaxies that were discovered in 1877 and are known for their dramatic interactions. Recent observations revealed that a galaxy smashed through at over 2 million mph, producing a remarkable shockwave resembling a sonic boom.

How was the galactic collision observed?
The collision was investigated using the WEAVE spectrograph at the William Herschel Telescope in Spain. This advanced instrument captured unprecedented details about the event, providing important insights into galaxy evolution and cosmic dynamics.