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Astronomers discover an Earth-sized “pi planet” with a 3.14-day orbit

21 Sep 2020, 04:00 UTC
Astronomers discover an Earth-sized “pi planet” with a 3.14-day orbit NASA Ames/JPL-Caltech/T. Pyle, Christine Daniloff, MIT

In a delightful alignment of astronomy and mathematics, scientists at MIT and elsewhere have discovered a “pi Earth” — an Earth-sized planet that zips around its star every 3.14 days, in an orbit reminiscent of the universal mathematics constant.

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