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doubletaxed88 t1_jb814uh wrote

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

How much of the night sky is lensed? Is there any estimates of how much you see is duplicates, or is it a rare occurance?

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daggada t1_jbabe9o wrote

I think for that to really come into play, you need to be looking pretty far. Like it's not something you'll really see in the stars you see at night with your eyes in our local galaxy.

But sure, looking into deep intergalactic space, which requires a decent telescope, it's probably not all that uncommon. Take a look at some of Webbs early pics, you'll see lots of warped and stretched images which I believe are examples of that phenomenon as well. And those are just in small patches of space.

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