Atmosphere of Earth (see the temperature section, below). Because the general pattern of the temperature/altitude profile is constant and measurable by means of instrumented balloon soundings, the temperature behavior provides a useful metric to distinguish atmospheric layers. In this way, Earth's atmosphere can be divided (called atmospheric stratification) into five main layers. Excluding the exosphere, the atmosphere has four primary layers, which are the troposphere, stratosphere, mesosphere, and thermosphere. From highest to lowest, the five main layers are: The exosphere is the outermost layer of Earth's atmosphere (i.e. the upper limit of the atmosphere). It extends from the exobase, which is located at
What We Saw from the Cheap Seats What We Saw from the Cheap Seats What We Saw from the Cheap Seats is the sixth studio album by American alternative singer-songwriter Regina Spektor. On November 21, 2011, Spektor posted on her Facebook page that the album had been recorded with Mike Elizondo in Los Angeles during the summer of 2011. It was released on May 29, 2012. The album is a collection of new material along with the very first studio recordings of several of Spektor's older live songs. At the time of the album's release, "Jessica" was the only entirely new song. "How" and "The Party" had