Planets outside of our Solar System are rather dull things. So dull, we can only see them directly by sifting out a scattering of reflected rays amid the glare of their parent star. Even then, the best we can manage is a pinprick to identify its posi
by sifting out a scattering of reflected rays amid the glare of their parent star. Even then, the best we can manage is a pinprick to identify its position.Gathering enough light to reveal intricate details of these distant worlds would require a lens far larger than anything we can construct. One wider than Earth. Wider thanFortunately, cosmic-scale lenses happen to exist already.
In 2020, a California Institute of Technology physicist by the name of Slava Turyshev proposed a technique whereby scanning light bending around a planet could be resolved into some kind of image. While their method instead relies on sending a Hubble-sized space observatory into the frozen outlands of our Solar System, the algorithm for weaving the light funneled into a ring around the Sun into a clear picture requires just a single snapshot of light.
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