A Galaxy Breathes Out: How a Wind Is Born from Stars
Two galaxies collided, and from their center an invisible fountain erupts. The ALMA and VLT telescopes peered into the heart of the IRAS20100-4156 system — where two stellar islands are merging. There, work is in full swing: hundreds of new suns are being born, and their heat drives a stream of cold gas outward.
This stream is like a giant's exhale.