Lange (crater)
Encyclopedia
Lange is a crater
on Mercury
. It appears to have been flooded by lava, with only faint traces remaining of a buried inner ring.
Volcanic crater
A volcanic crater is a circular depression in the ground caused by volcanic activity. It is typically a basin, circular in form within which occurs a vent from which magma erupts as gases, lava, and ejecta. A crater can be of large dimensions, and sometimes of great depth...
on Mercury
Mercury (planet)
Mercury is the innermost and smallest planet in the Solar System, orbiting the Sun once every 87.969 Earth days. The orbit of Mercury has the highest eccentricity of all the Solar System planets, and it has the smallest axial tilt. It completes three rotations about its axis for every two orbits...
. It appears to have been flooded by lava, with only faint traces remaining of a buried inner ring.