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
Glory of the 80's dark, club-like atmosphere. The song also marks the final appearance of the harpsichord in Amos' work until her 2009 holiday album Midwinter Graces. According to Amos, the song was written about the honesty of that decade, compared to the more conservative 1990s of censorship and political correctness. Tori on the inspiration of the song: The video for "Glory of the 80's" was directed by Erick Ifergan and shot in September 1999 in Los Angeles at Universal Studios and later aired on MTV Europe. The video features Amos in Goth attire and make-up, trapped in a cubical torture chamber, with heavy