On this, the shortest day of the year in the Northern Hemisphere, we bring you a planet where a year, one orbit of its star, takes less time. K2-137b races around its star in less than 5 hours. It's 320 light-years away. exoplanets.nasa.gov/eyes-on-ex…
#NASAExoplanets
#NASAExoplanets
The Deaf Teacher
in reply to NASA • • •