Kepler-186f
Distance: 580 Lightyears
Star: Kepler-186
Constellation: Cygnus
Kepler-186f is rated highly among many astronomers. It was discovered on April 17, 2014, by Elisa Quintana. She used NASA’s Kepler Space Telescope to discover it. Of course, Kepler-186f is among many potentially habitable planets found in the Cygnus Constellation sector, especially those discovered by the Kepler Telescope.
Kepler-186f shows a lot of promise, as it’s said to be only slightly larger than Earth. The temperature is thought to be a bit problematic, as it averages a temperature of −85 degrees Celsius or −121 degrees Fahrenheit. It also takes nearly 130 days to orbit around its host star, Kepler-186. The temp shocks no one, as Kepler-186 is a Red Dwarf star. In spite of the temp issue, this planet has a lot of possibilities as it’s thought to be rocky and even contains water. The amount of water is disputed until we can know, for sure, if its atmosphere is not too thick – throwing off possible measurements. When it comes to temp issues, many feel Kepler-186f can be terraformed. Yet one cannot replace the need for a better star, as it only shines at 5% the luminosity as our Sun.