Atmosphere of Earth the border between the atmosphere and outer space. Atmospheric effects become noticeable during atmospheric reentry of spacecraft at an altitude of around . Several layers can be distinguished in the atmosphere, based on characteristics such as temperature and composition. The study of Earth's atmosphere and its processes is called atmospheric science (aerology). Early pioneers in the field include Léon Teisserenc de Bort and Richard Assmann. The three major constituents of Earth's atmosphere are nitrogen, oxygen, and argon. Water vapor accounts for roughly 0.25% of the atmosphere by mass. The concentration of water vapor (a greenhouse gas) varies significantly from around
80's Romance routine for the chorus that is played throughout earlier in the video. The band then experiments with cameras etc. and the video exits by reversing the single cover where the band's animated faces are replaced with their real faces which was also something shown at the beginning of the video. 80's Romance "80's Romance" is a song by English new wave/pop band The Belle Stars. It is their eleventh single overall, and the band's final single as a seven-piece. 80's Romance was overall the band's least successful single to chart, peaking at #71. 80's Romance is a Torch song that