Ryugu asteroid samples drop-shipped into South Australia contain super-rare space dirt

The space dust may even hold the key to the origin of life.

Elemental map of a Ryugu sample with minerals highlighted. Carbonate (dolomite), sulfide (pyrrhotite) and iron-oxide (magnetite) minerals are embedded in a matrix of phyllosilicates, and in some cases precipitated in small veins. Credit: JAXA, T. Yokoyama et al.