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Letter from the editor

Mars Atmospheric Entry, Descent, and Landing: An Atmospheric Perspective

"Beginning in the very earliest years of the space age, a flotilla of robotic explorers have been sent to study Mars—first simply to fly by, then to orbit, and, later, to attempt landing on the surface..." – By Michael Mischna

Asteroid Ryugu and the Hayabusa2 Mission

landslides

"The carbonaceous type (C-type) asteroid Ryugu is a near-Earth object measuring ~1 km in equatorial diameter. C-type asteroids of this size are seldom found in the near-Earth region, making Ryugu..." – By Sei-ichiro Watanabe and Shota Kikuchi

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