Gullies on Martian sand dunes, like these in Matara Crater, have been very active, with many flows in the last ten years.
Image Credit: NASA Image of the Day 2018-04-05. Image Feature. Media usage guidelines.
 @gruffalo |
|---|
Read next
From @gruffalo
Gullies on Martian sand dunes, like these in Matara Crater, have been very active, with many flows in the last ten years.
| @gruffalo |
|---|