Second radio relic discovered in the galaxy cluster Abell 2108

Astronomers from India and Taiwan have used the upgraded Giant Metrewave Radio Telescope (uGMRT) to perform radio observations of a galaxy cluster known as Abell 2108. As a result, they detected a second radio relic, which is much larger and differs in morphology from the previously identified relic in this cluster. The finding was reported in a paper published Dec. 7 on the pre-print server arXiv.