Atmosphere of Earth However, polar stratospheric or nacreous clouds are occasionally seen in the lower part of this layer of the atmosphere where the air is coldest. The stratosphere is the highest layer that can be accessed by jet-powered aircraft. The troposphere is the lowest layer of Earth's atmosphere. It extends from Earth's surface to an average height of about , although this altitude varies from about at the geographic poles to at the Equator, with some variation due to weather. The troposphere is bounded above by the tropopause, a boundary marked in most places by a temperature inversion (i.e. a layer of
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