Astronomers have discovered a new Earth-size planet dubbed the ‘pi planet’, due to its 3.14-day orbit. The planet was discovered by researchers at Massachusetts Institute of Technology, using data from NASA’s Kepler Space Telescope.
The planet zips around its star every 3.14 days - a number famous for being the first three digits of the universal mathematics constant, pi.
Prajwal Niraula, a graduate student who led the study, said: “The planet moves like clockwork.” The researchers estimate that the planet has a radius of 0.95 that of Earth’s, making it very similar in size to our planet.
It orbits a cool, low-mass star that’s about one-fifth the size of the sun, according to the researchers. But while it takes Earth 365 days to orbit the
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