Atmosphere of Earth sublimated into polar-mesospheric noctilucent clouds. These are the highest clouds in the atmosphere and may be visible to the naked eye if sunlight reflects off them about an hour or two after sunset or a similar length of time before sunrise. They are most readily visible when the Sun is around 4 to 16 degrees below the horizon. Lightning-induced discharges known as transient luminous events (TLEs) occasionally form in the mesosphere above tropospheric thunderclouds. The mesosphere is also the layer where most meteors burn up upon atmospheric entrance. It is too high above Earth to be accessible to jet-powered aircraft
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