A newly discovered star system, made up of a pair of tiny
brown dwarfs, is just 6.5 light-years away - this makes it the closest
to be found since 1916, and the third closest star system to the sun!
Although there appears to be a mysterious dearth of
exoplanets smaller than Earth, data from NASA's Kepler space telescope
suggest that nearly a quarter of all sun-like stars in our galaxy play
host to worlds 1-3 times the size of our planet.
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