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The Human Spaceflight Archive
iss040e87315 - 15073007709_3cd04b3b9d_o.jpg ISS040-E-087282MiniaturyISS040-E-87351ISS040-E-087282MiniaturyISS040-E-87351
Polar mesospheric clouds (PMC) are featured in this image photographed by an Expedition 40 crew member on the International Space Station when the space station was flying over southern Ukraine. Wispy and hard to see, PMC form far above the usual level for clouds, 80-100 kilometers above the ground, so that crews flying at approximately 350 kilometers are ideally placed to observe them. PMC usually only appear near the poles, but during the past few decades they have appeared as far south as Colorado and Virginia in the USA. They also appear brighter and thicker. Scientists think that these changes are related to long-term climate change, perhaps from increasing water vapor content in the upper atmosphere.
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Taken in
Space
Autor
NASA
Opis
Polar mesospheric clouds (PMC) are featured in this image photographed by an Expedition 40 crew member on the International Space Station when the space station was flying over southern Ukraine. Wispy and hard to see, PMC form far above the usual level for clouds, 80-100 kilometers above the ground, so that crews flying at approximately 350 kilometers are ideally placed to observe them. PMC usually only appear near the poles, but during the past few decades they have appeared as far south as Colorado and Virginia in the USA. They also appear brighter and thicker. Scientists think that these changes are related to long-term climate change, perhaps from increasing water vapor content in the upper atmosphere.
Source link
https://www.flickr.com/photos/nasa2explore/albums/72157631560566351/
Odwiedzin
57
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nieoceniane
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License
CC BY-NC-ND
Modified by WikiArchives
No (original)
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0
Metadane EXIF
NIKON CORPORATION NIKON D3S
Make
NIKON CORPORATION
Model
NIKON D3S
DateTimeOriginal
2014:08:01 20:47:01
ApertureFNumber
f/5.0
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