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Stories, updates, insights, and original analysis from The Planetary Society.

Hayabusa2 after touchdown

Treasure Hunting With Hayabusa2

IN THE EARLY hours of 22 February, light was just beginning to brighten the campus of JAXA’s Institute of Space and Astronautical Sciences (ISAS) in Kanagawa, Japan. It should have been a quiet time, but the Hayabusa2 control room was packed with people. We were about to land on an asteroid.

Estimation of the shape of Ryugu

What kind of asteroid is Ryugu?

What do we already know about Ryugu, and why is it so hard to know what it looks like? Hayabusa2 Mission Manger Makoto Yoshikawa