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First 711 results for ” Malcolm Atkinson”

1. Comparison of Empirical and Theoretical Models of the Thermospheric Density Enhancement During the 3–4 February 2022 Geomagnetic Storm

   On 3 February 2022, at 18:13 UTC, SpaceX launched and a short time later deployed 49 Starlink sat...

   Jianhui He, Elvira Astafyeva, Xinan Yue, Nicholas M. Pedatella, Dong Lin, Timothy J. Fuller-Rowell, Mariangel Fedrizzi, Mihail Codrescu, Eelco Doornbos, Christian Siemes, Sean Bruinsma, Frederic Pitout, Adam Kubaryk | Journal: Space Weather | Volume: 21 | Year: 2023 | doi: https://doi.org/10.1029/2023SW003521

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2. Using Continuous Ground-Based Radar and Lidar Measurements for Evaluating the Representation of Clouds in Four Operational Models
   D Bouniol, A Protat, J Delanoë, J Pelon, JM Piriou, F Bouyssel, A Tompkins, D Wilson, Y Morille, M Heaffelin, E O’Connor, R Hogan, AJ Illingworth, D Donovan, H Klein Baltink | Status: published | Journal: Journal of Applied Meteorology and Climatology | Volume: 49 | Year: 2010 | doi: 10.1175/2010JAMC2333.1

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3. First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole

   When surrounded by a transparant emission regionn, black holes are expected to reveal a dark shad...

   EHT Collaboration etal., H Falcke, Etal., G Geertsema, Etal. | Status: published | Journal: Astron. Astrophys | Year: 2019 | doi: 10.3847/2041-8213/ab0ec7

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4. First Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way

   We present the first Event Horizon Telescope (EHT) observations of Sagittarius A* (Sgr A*), the G...

   EHT Collaboration, etal., H. Falcke etal.. G. Geertsema, etal. | Journal: ApJL | Volume: 930 | Year: 2022 | doi: 10.3847/2041-8213/ac6674

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5. Assessment of Updated Fuel‐Based Emissions Inventories Over the Contiguous United States Using TROPOMI NO2 Retrievals

   Nitrogen oxides (NOx) are air pollutants critical to ozone and fine particle production in the tr...

   M Li, BC McDonald, SA McKeen, H Eskes, P Levelt, C Francoeur, C Harkins, J He, M Barth, DK Henze, MM Bela, M Trainer, JA de Gouw, GJ Frost | Journal: Journal of Geophysical Research: Atmospheres | Year: 2021 | doi: https://doi.org/10.1029/2021JD035484

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