Coldest Known Brown Dwarf Star Found in Our Galactic Neighborhood
Brown dwarfs are objects that are too big to be planets, but too small to be considered stars. They begin their lives like stars, but since their mass is so low, they are unable to produce the energy needed to be star.
"The Fortean Slip Science Minute 13 Astronomers at Penn State discover coldest known brown dwarf star right in our "neighborhood". This webcast is uncensored."