Two such lunar canyons, Vallis Schrödinger and Vallis Planck, stretch over 270 km (168 miles) each, with depths of 2.7 km ...
Night - Rain and snow with a 85% chance of precipitation. Winds from SSW to SW at 13 to 16 mph (20.9 to 25.7 kph). The overnight low will be 35 °F (1.7 °C). Mostly cloudy with a high of 39 °F ...