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

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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Astronomers have discovered the pi planet!

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Astronomers have discovered the pi planet!

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For #PiDay, take a trip to Pi Earth!🥧🌌 Researchers at #MIT