Where there’s clay, there was water. And life is rather fond of water. 💧
@esa.int ExoMars (launching 2028) will have a ginormous swathe of the Red Planet’s surface (300x600 km) to ‘play in the clay’ & search for signs of past (?) life! #astrobiology 🧪🔭
doi.org/10.1016/j.ic...