Vallis Alpes
A bottleneck at the start of the lunar sinuous rille within Vallis Alpes formed several morphologic features including a lava pond, a breached dam, and an island in the rille in this image captured by NASA Lunar Reconnaissance Orbiter.
A bottleneck at the start of the lunar sinuous rille within Vallis Alpes formed several morphologic features including a lava pond, a breached dam, and an island in the rille in this image captured by NASA Lunar Reconnaissance Orbiter.