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Article
Open AccessParticle size distributions inside and around the artificial crater produced by the Hayabusa2 impact experiment on Ryugu
Japanese Hayabusa2 spacecraft has successfully carried out an impact experiment using a small carry-on impactor (SCI) on an asteroid (162173) Ryugu. We examine the size distribution of particles inside and out...
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Open AccessOverview of Venus orbiter, Akatsuki
The Akatsuki spacecraft of Japan was launched on May 21, 2010. The spacecraft planned to enter a Venus-encircling near-equatorial orbit in December 7, 2010; however, the Venus orbit insertion maneuver has fail...