What is known as the “Monarch of the Moon”?

The crater Copernicus has been nicknamed “Monarch of the Moon” due to its impressive features. The crater is about 90 km in diameter and is surrounded by mountain walls about 6,000 m high. The inner mountain walls around Copernicus are also not uniformly sloping but terraced, as if the original lava lake in its centre had receded in discrete stages.









What are lunar domes?

Lunar domes are small convex swellings on the Moon.

How did lunar domes originate?

Lunar domes are possibly large solidified bubbles of lava.