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Showing 1–6 of 6 results
Advanced filters: Author: Jürgen Stutzki Clear advanced filters

  • Mapping the 158 μm line of ionized carbon within the Cygnus region with the SOFIA observatory provides evidence for dynamic interactions between molecular clouds and their atomic envelopes, which trace out the assembly process of cloud complexes.

    • Nicola Schneider
    • Lars Bonne
    • Alexander G.G.M. Tielens
    ResearchOpen Access
    Nature Astronomy
    Volume: 7, P: 546-556

  • Studies of the planetary nebula NGC 7027, using an upgraded spectrometer onboard a high-altitude observatory, have identified the rotational ground-state transition of the helium hydride ion—the first molecule to form after the Big Bang and an essential precursor to molecular hydrogen.

    • Rolf Güsten
    • Helmut Wiesemeyer
    • Jürgen Stutzki
    Research
    Nature
    Volume: 568, P: 357-359

  • Atomic oxygen is important for the photochemistry and energy balance of Venus’s atmosphere, but it was not directly observed on the dayside of Venus. Here, the authors show direct detection of atomic oxygen on the both dayside and nightside of Venus by measuring its ground-state transition at 4.74 THz.

    • Heinz-Wilhelm Hübers
    • Heiko Richter
    • Helmut Wiesemeyer
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-7

  • Atomic oxygen concentrations in the upper atmosphere can be measured directly with an airborne terahertz heterodyne spectrometer. This approach is probably more accurate than indirect estimates from photochemical models, according to a comparison of the two methods.

    • Heiko Richter
    • Christof Buchbender
    • Heinz-Wilhelm Hübers
    ResearchOpen Access
    Communications Earth & Environment
    Volume: 2, P: 1-9