As ESA’s Hera mission for planetary defence probes the Didymos twin asteroid system, it will be joined by a pioneering pair of breadbox-sized ‘CubeSats’. Juventas will perform radar soundings while Milani will image the bodies in a wider range of colours beyond what human eye can see, to prospect the mineral makeup of individual asteroid boulders.
Click here for original story, CubeSat will sift asteroid secrets from reflected sunshine
Source: ESA Space News