Tropopause
| Lagdelingen af Jordens atmosfære. | ||||||||||||||||||||||||||
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Tropopausen er overgangen imellem det nederste lag af atmosfæren troposfæren og den overliggende stratosfære. Det er i troposfæren, at vi finder vores vejr, da der her er et stort indhold af vanddamp.
Højden op til tropopausen er i Danmark ca. 10 km, men den varierer lidt hen over året, pga. temperaturændringer i troposfæren.
De store bygeskyer cumulonimbus når ofte helt op til tropopausen, hvor den flade amboltligende top på skyerne dannes. Det skyldes, at der ved tropopausen sker en temperaturændring, som standser opstigningen af luften i cumulonimbusskyen. Højden af en bygesky kan dermed give en idé om højden op til tropopausen.
Se også
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Full featured double rainbow in Wrangell-St. Elias National Park, Alaska.
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Full featured double rainbow in Wrangell-St. Elias National Park, Alaska.
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Artist’s impression of an Air France Concorde in flight.
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View of the crescent moon through the top of the Earth's atmosphere. Photographed above 21.5°N, 113.3°E by International Space Station crew Expedition 13 over the South China Sea, just south of Macau (NASA image ID: ISS013-E-54329).
View of the crescent moon through the top of the Earth's atmosphere. Photographed above 21.5°N, 113.3°E by International Space Station crew Expedition 13 over the South China Sea, just south of Macau (NASA image ID: ISS013-E-54329).
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ISS photo taken from shuttle Discovery in August 2005.
Original description: "Backdropped by a colorful Earth, this full view of the International Space Station was photographed from the Space Shuttle Discovery during the STS-114 Return to Flight mission, following the undocking of the two spacecraft." The upper part of the Caspian Sea is visible in the background (the Volga delta is the dark area in the lower right.
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ISS photo taken from shuttle Discovery in August 2005.
Original description: "Backdropped by a colorful Earth, this full view of the International Space Station was photographed from the Space Shuttle Discovery during the STS-114 Return to Flight mission, following the undocking of the two spacecraft." The upper part of the Caspian Sea is visible in the background (the Volga delta is the dark area in the lower right.
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Abb.A zeigt ein Meteor-Ereignis das als Feuerkugel oder Bolide bezeichnet wird und man erkennt die beiden Plasmaphasen Abb.B ist ein zerschlagener Meteoroid in der letzten Flugphase als Bolide oder Feuerkugel
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Artist's rendition of Earth's magnetosphere.
Artist's rendition of Earth's magnetosphere.