What evidence suggests that life might have been possible on Mars in the distant past?
Although the surface of Mars is inhospitable today, there is clear evidence that in the distant past, the Martian climate allowed liquid water – an essential ingredient for life as we know it – to pool at the surface.
1: the black lines on the map identify the separate tectonic plates.
2: the arrow shows the direction of the movement of the tectonic plates and what plates might be over lapping each other and what might draft away from each other.
