10:22:14 As Hayabusa2 swept by the Earth to drop off the sample capsule, an experiment was conducted to measure its distance from 6 million kilometres away with two laser systems. Professor Toshimichi Otsubo (Hitotsubashi U) describes the challenges of this test: https://www.hayabusa2.jaxa.jp/en/topics/20210331_LIDAR/" target="_blank" rel="nofollow">hayabusa2.jaxa.jp/en/topics/2021… https://twitter.com/haya2e_jaxa/status/1377431074511319043/photo/1" target="_blank" rel="nofollow">pic.twitter.com/UahQEAzr8E