Discovery of the Most Primitive Boulders on Ryugu: Observational Results from the Asteroid Explorer, Hayabusa2, Published in Nature Astronomy

Asteroid Ryugu photographed by Japan’s Hayabusa2 spacecraft. (Credit: JAXA)

Japan Aerospace Exploration Agency (JAXA)
Rikkyo University
The University of Tokyo
Kochi University
Chiba Institute of Technology
Maebashi Institute of Technology
Hokkaido University of Education
Nagoya University

TOKYO (JAXA PR) — Research results from the exploration of Ryugu by the asteroid explorer, Hayabusa2, have been published in the British online journal, Nature Astronomy, on May 24, 2021 (May 25 JST). Assistant Professor Naoya Sakatani (Rikkyo University) from the Hayabusa2 science team is the lead author in this research.

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A Sunburned Ryugu: Asteroid Surface Weathered by the Sun

Artificial crater on asteroid Ryugu (Credit: JAXA, University of Tokyo, Kochi University, Rikkyo University, Nagoya University, Chiba Institute of Technology, Meiji University, University of Aizu, AIST)

TOKYO (JAXA PR) — New information about the surface and orbit of Ryugu has been uncovered from analyzing data obtained during touchdown and the global observations performed by the asteroid explorer, Hayabusa2. These findings have been published in the electronic version of the US scientific journal Science, on May 7, 2020 (May 8, JST: Morota et al, 2002). The paper was led by Associate Professor Tomokatsu Morota from the University of Tokyo and member of the Hayabusa2 science team.

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