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What Shape Are Black Holes? Yes.

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What shape is the event horizon of a black hole? Well, the answer to that question changes if our universe is hiding an extra dimension (or more). Black holes could come in an infinite number of shapes — including a precisely spinning hyper-donut and a family of crumpled up spheres called lens spaces.

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Sources:
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Interview: Dr. Melissa Zhang

Image Sources:
https://www.gettyimages.com/detail/video/blue-futuristic-digital-technologic-tunnel-black-hole-stock-footage/1269696674
https://www.gettyimages.com/detail/video/red-black-hole-simulation-seamless-loop-stock-footage/1386716997?adppopup=true
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https://commons.wikimedia.org/wiki/File:Warped_Space_and_Time_Around_Colliding_Black_Holes_(Courtesy_Caltech-MIT-LIGO_Laboratory,_produced_by_SXS_project).webm
https://commons.wikimedia.org/wiki/File:Andrew_Hamilton_schwarzchild_waterfall.gif
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https://commons.wikimedia.org/wiki/File:Stephen_hawking_2008_nasa.jpg
https://www.gettyimages.com/detail/video/modern-back-hole-stock-footage/1167619797?adppopup=true
https://www.youtube.com/watch?v=CFrP6QfbC2g&t=88s
https://www.gettyimages.com/detail/video/stars-burst-stock-footage/473376707?adppopup=true
https://en.wikipedia.org/wiki/File:Black_hole_-_Messier_87_crop_max_res.jpg
https://commons.wikimedia.org/wiki/File:Lens_Space_L(2;5)_Animation.gif
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