A signal
If a lander can send a signal (being thus alive ), that looks like the difference.
Or else, if the lander smashes on the ground, it is in scattered little pieces rather than a structure.
Space/Science » in reply to so how come we never spotted anything of MPL?
If a lander can send a signal (being thus alive ), that looks like the difference.
Or else, if the lander smashes on the ground, it is in scattered little pieces rather than a structure.