this post was submitted on 29 Sep 2023
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Astronomy

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We May Have Just Found Evidence of a Cosmic String: a 'Crease' in The Universe (www.sciencealert.com)
submitted 2 years ago by floofloof@lemmy.ca to c/astronomy@lemmy.world
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[–] MysteriousSophon21@lemmy.world 1 points 3 weeks ago

cosmic strings would create a unique kind of lensing with perfectly identical images on either side of a straight line, unlike regular gravitational lensing which tends to create distorted arcs and multiple images in different configurations.