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pmMeAllofIt t1_jbbnyvw wrote on March 7, 2023 at 9:50 PM

Reply to comment by doubletaxed88 in James Webb Telescope captures the same galaxy at three different points in time in a single mind-boggling image by mirzavadoodulbaig

Im no expert, but Afaik it's pretty rare(especially as strong as this), but because of the scale of the observable universe it's pretty common. But by gathering spectra it's very easy to determine. https://webbtelescope.org/contents/media/images/2022/035/01G7HRMY93K0BCCBKCABAQH0V7?news=true