Brightness modulations of our nearest terrestrial planet Venus reveal atmospheric super-rotation rather than surface features

Y. J. Lee (), A. García Muñoz, T. Imamura, M. Yamada, T. Satoh, A. Yamazaki and S. Watanabe
Additional contact information
Y. J. Lee: Technische Universität Berlin
A. García Muñoz: Technische Universität Berlin
T. Imamura: Univ. of Tokyo
M. Yamada: Planetary Exploration Research Center (PERC)
T. Satoh: Institute of Space and Astronautical Science (ISAS/JAXA)
A. Yamazaki: Institute of Space and Astronautical Science (ISAS/JAXA)
S. Watanabe: Hokkaido Information University

Nature Communications, 2020, vol. 11, issue 1, 1-8

Abstract: Abstract Terrestrial exoplanets orbiting within or near their host stars’ habitable zone are potentially apt for life. It has been proposed that time-series measurements of reflected starlight from such planets will reveal their rotational period, main surface features and some atmospheric information. From imagery obtained with the Akatsuki spacecraft, here we show that Venus’ brightness at 283, 365, and 2020 nm is modulated by one or both of two periods of 3.7 and 4.6 days, and typical amplitudes

Date: 2020
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DOI: 10.1038/s41467-020-19385-6

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