Researchers found an enormous band of dense hydrogen gas around a galaxy.
Upon first observation, they noticed an enormous band of dense hydrogen gas around the NGC 4632 galaxy. This evidence hinted at the existence of a polar ring galaxy.
Observations at several wavelengths, such as radio and infrared, are essential for comprehensively understanding this class of galaxies. “Galaxy NGC 4632 hides a secret from optical telescopes. It is surrounded by a ring of cool hydrogen gas orbiting at 90 degrees to its spiral disk. Such polar ring galaxies have previously been discovered using starlight.
This demonstrated that a polar ring was the most likely explanation for the amount of hydrogen gas rotating over the poles of the NGC 4632 galaxy’s disk.
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