The new map showing that Martian valley networks are more than twice as extensive
as had previously been thought Photo: PA
as had previously been thought Photo: PA
From The Telegraph:
A single large ocean once covered much of the northern half of Mars, supplied with water from a belt of rain-fed rivers, new research suggests.
Scientists have produced a new map showing that Martian valley networks are more than twice as extensive as had previously been thought, indicating that they were carved by rivers.
They are concentrated in a belt circling the planet's equator and mid-southern latitudes.
Read more ....