Galactic shock is changing Stephan's Quintet in enigmatic ways, according to ALMA and JWST.
New observations made with the James Webb Space Telescope and the Atacama Large Millimeter/submillimeter Array allowed researchers to see the complex interactions within the multi-galaxy collision event known as Stephan's Quintet.
. Instead, this violent activity is taking place in the intergalactic medium, away from the galaxies, in places where there is little to no star formation to obstruct the view. In a region called Field 5, the team spotted two cold clouds of gas linked by a warm molecular hydrogen gas stream. One of the clouds has a bullet-like shape and is punching through this filament, giving rise to a ring-like structure.
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