Astrophysics

Galaxy with a hydrogen ring

Print edition : January 31, 2020

The optical image from the CFHT telescope superposed with the GMRT’s radio image of the distribution of neutral hydrogen in the form of a large ring shown in red. The other two red blobs show the distribution of neutral hydrogen around two other galaxies which are in the vicinity of the ring. Photo: O. Bait (NCRA-TIFR/GMRT), Duc (ObAS/CFHT)

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