Atmosphere of Earth and balloons, and too low to permit orbital spacecraft. The mesosphere is mainly accessed by sounding rockets and rocket-powered aircraft. The stratosphere is the second-lowest layer of Earth's atmosphere. It lies above the troposphere and is separated from it by the tropopause. This layer extends from the top of the troposphere at roughly above Earth's surface to the stratopause at an altitude of about . The atmospheric pressure at the top of the stratosphere is roughly 1/1000 the pressure at sea level. It contains the ozone layer, which is the part of Earth's atmosphere that contains relatively high concentrations of
The Who, What, or Where Game of "Jackpot" that aired between 1985 and 1988 on the USA Network. After unsuccessfully attempting to revive the series in 1988 with a failed pilot called "The New Who, What or Where Game", Ron Greenberg later reformatted the show as "The Challengers", hosted by Dick Clark. "The Challengers" incorporated elements from "The Who, What, or Where Game" alongside a mix of topical questions in categories dealing with current events. Jonathan Lethem's 2013 novel "Dissident Gardens" has as part of its plot a character who appears on this show, which is mentioned by name, as is host Art James. The music