Noctilucent clouds
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Noctilucent clouds above Wuppertal Ronsdorf at 11:15 pm (Foto: Andrea Rau, 17.06.2019)
![](/fileadmin/_processed_/5/5/csm_IMG_20190617_231537971_a9ee5d0ef6.jpg)
Noctilucent clouds above Wuppertal Ronsdorf at 11:15 pm (Foto: Andrea Rau, 17.06.2019)
The Atmosphere
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Barrow (Alaska)
![](/fileadmin/_processed_/a/f/csm_hurricane-francis-m_03_0c8edfcbe2.jpg)
Hurricane Francis on August 27, 2004 (photo taken from the ISS by Mike Fincke)
Field Studies
![](/fileadmin/_processed_/0/7/csm_iau-04_9c574b9656.jpg)
View from research aircraft HALO during the TECHNO Mission
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Air polution in Santiago de Chile
Laboratory Measurements
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Photo Flux Reactor
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Isotope Ratio Mass Spectrometer