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 Made What We Made What We Made is the debut studio album released by British recording artist Example. The album was initially due for release in June 2007, as stated on the back of the "We Didn't Invent the Remix" sleeve, however the album was delayed and was finally released on 17 September 2007. "What We Made" was later followed by the "What We Almost Made" mixtape. It includes the singles "What We Made", "You Can't Rap", "I Don't Want To" and "So Many Roads" (a track previewed on his MySpace and live), all of which were released in the previous