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Vertical controlled landing on 67P / Churyumov-Gerasimenko
Probst, A.; San Martín, A.; Zimmer, A. +2 more
With the increasing interest of small body science due to its important role in the puzzle of the solar system formation, missions to small bodies are studied and developed in preparation for future exploration. Together with the operational experience gained and the general rapid technology development, landers and surface mobility elements enabl…
On the unexpected geomagnetic storm on june 8, 2019, and the heliospheric current sheet effect
Augusto, C. R. A.; Navia, C. E.; de Oliveira, M. N. +1 more
A period of minimum magnetic solar activity (such as June 2019) favors the observation of rare solar transient events, which would otherwise be lost in the magnetic vortex during a period of maximum solar activity. In this paper, we show that the most plausible explanation for the origin of an unexpected geomagnetic storm on June 8, 2019, is a sma…
Simple model of the wave pattern in the atmosphere of a slow rotating planet due to surface irregularities
Vigh, Carlos; Cirilo-Lombardo, Diego; Mayochi, Mariano +1 more
Recent observations show a persistent pattern on Venus surface, interpreted as a stationary wave due to the interaction of the prevailing winds with the orography of the planet. In this work we use an idealized model of the phenomenon that allows for a fully analytical solution applied to a slow rotating planet with idealized obstacles. We use Ven…