Astro Tours Posted December 2, 2020 Share Posted December 2, 2020 The ghostly ORC1 (blue/green fuzz), on a backdrop of the galaxies at optical wavelengths. There’s an orange galaxy at the centre of the ORC, but we don’t know whether it’s part of the ORC, or just a chance coincidence. https://i.stuff.co.nz/science/123581259/wtf-newly-discovered-ghostly-circles-in-the-sky-cant-be-explained-by-current-theories-and-astronomers-are-excited Quote Link to comment Share on other sites More sharing options...
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