Russian cosmonauts aboard ISS kick off 'terminator' experiment

Moscow (Sputnik) Jan 24, 2020

In astronomy, the 'terminator' or 'twilight zone' is the boundary between the illuminated and dark side of a planet or other cosmic body. Russian cosmonauts aboard the International Space Station have begun the ominously named but harmless and scientifically promising 'Terminator' experiment studying luminous clouds in the upper layer of the Earth's atmosphere. According to the Cosmo