Free Astronomy Magazine March-April 2023

MARCH-APRIL 2023 ences gas in the intergalactic medium. New observations with the Atacama Large Millimeter/submil- limeter Array (ALMA) and the James Webb Space Telescope (JWST) have revealed that a sonic boom several times the size of the Milky Way has kickstarted a recycling plant for warm and cold molecular hydrogen gas. What’s more, scientists uncov- ered the break-up of a giant cloud into a fog of warm gas, the possible collision of two clouds forming a splash of warm gas around them, A galactic shock is shaping Stephan’s Quintet by ALMA Observatory S hockwaves resulting from the violent collision between an in- truder galaxy and Stephan’s Quintet are helping astronomers to understand how turbulence influ-