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
Whitey Morgan and the 78's and the 78's were signed to Bloodshot in the spring of 2010. On October 16, 2010, the band performed on NPR's Mountain Stage. They played a four-song, fifteen-minute set. The episode also featured Scott Miller, Gene Watson and The Steel Drivers. Whitey Morgan and the 78's Whitey Morgan and the 78's are an American honky tonk country band, based in Flint, Michigan, United States. In 2010, they signed a recording contract with Chicago-based Bloodshot Records. Started in 2005, under the name Whitey Morgan and the Waycross Georgia Farmboys, the original members included Whitey Morgan (a.k.a. Eric Allen) on vocals and