Red Dwarf stars. Brown Dwarfs are failed stars, so they don't count.
cool
Cool, in comparison with other stars.
All stars are very hot. Even the comparatively "cool" ones have temperatures of thousands of degrees.
The stars that are red are the coolest of all stars temperature wise. The hottest stars are blue, and medium cool stars are white or yellow.
Blue stars are hot. Red stars are cool.
Blue and white stars are the hottest.
Big stars are brighter than small stars, and hot stars are brighter than cool ones.
Elements that are formed in cool stars are heavy but not heavier than iron. (Elements that are heavier than iron are formed in a supernova.)
None of them are cool and dim; the one in the white/black dwarfs are cool and dim.
yes
red giants
Names are Old Glory, Stars and Stripes and the Star Spangled BannerOld Glory, the Star-Spangled Banner, the Stars and Stripes, and the Red, White, and Blue