CNN CNN Newsroom Live July 15, 2015 07:50:00
And doesn't see sun for 100 years. it's an incredible place and it's so cold that scientists use the kelvin scale to measure temperature. zero kelvin is the coldest possible temperature that is 273 degrees below zero which is what it is on pluto. >> and you can tie it to the iran nuclear deal. >> the last substance is named after pluto. >> class dismissed. we'll be testing later. a short break but still to come donald trump has faced a lot of criticism since announcing his run for u.s. president but he appears to be leading in a national poll. we'll have that for you next.
Source: archive.org