An object too small to be an ordinary star because it can not produce enough energy by fusion in its core to compensate for the radiative energy it loses from its surface. (webbtelescope.org)
The system would know to keep the drinks cooler during that time — to compensate for energy lost when the door is opened — than during other times. (treehugger.com)
It blocks 100 % of light, reduces outside noise by up to 35 % and decreases energy lost through your windows by up to 50 %. (bedbathandbeyond.com)