Ocean.

The Japan Aerospace Exploration Agency (JAXA) launched the improved Hayabusa2 space probe on 3 December 2014. Hayabusa2 arrived at the target near-Earth C-type asteroid 162173 Ryugu (previously designated ) on 27 June 2018. It surveyed the asteroid for a year and a half and took samples. It left the asteroid in November 2019 and returned to