NASA

NASA Reports Giant 'Jellyfish' Galaxy With 260000 Light Year Gas Tail


The James Webb Space Telescope is scheduled to study the phenomenon behind the "jellyfish" galaxy upon its launch in 2021.


That gas acts like a headwind when it gets pulled in by galaxies living in the cluster, resulting in a process called "ram pressure stripping."


"We think it's hard to strip off a molecular cloud that's already forming stars because it should be tightly bound to the galaxy by gravity.


Which means either we're wrong, or this gas got stripped off and heated up, but then had to cool again so that it could condense and form stars," said Stacey Alberts of the University of Arizona, a co-investigator on the project.


According to NASA, the James Webb Telescope will pinpoint target sites of star formation at different areas around the tail: near its end, in the middle, and close to the galaxy.


This will help scientists learn how the stripping process evolved over time and its influence on the conditions to form new stars.






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