WOW WOW WOW!

Chamber C in the Hayabusa2 sample catcher is filled with MASSIVE BOULDERS (... OK, a few mm but bigger than for Chamber A). This is material collected from the second touchdown, which included subsurface rocks ejected during the formation of the artificial crater. https://t.co/lnL21lJCmr

— Elizabeth Tasker (@girlandkat) December 24, 2020