The North Polar layered deposits NPLD are a stack of layers of ice and dust at the North Pole of Mars. The layers are thought to have been deposited over millions of years. This image is from NASA Mars Reconnaissance Orbiter.
The North Polar layered deposits NPLD are a stack of layers of ice and dust at the North Pole of Mars. The layers are thought to have been deposited over millions of years. This image is from NASA Mars Reconnaissance Orbiter.