Solar System/Moon

Size

The Moon's diameter is 3476 kilometers, or 0.2764 times that of Earth. This makes the Moon far larger relative to its planet than any other planetary moon in the solar system. In absolute terms it is the fifth largest planetary satellite in the solar system.

Physical characteristics

The surface

The maria and terrae

The enigma of the craters

Water in the craters

Seismology

Moonquakes

Internal structure

Magnetism

Atmosphere

Origin and evolution

Large impact hypothesis

The large impact hypothesis is a theory that states that the Moon was formed when a Mars sized protoplanet collided with the Earth during the Hadean eon of the Earth, with the debris from the impact accreting into the moon. The named of the mars sized protoplanet is usually given as Theia. It is the most widely accepted hypothesis for the formation of the moon.

Age of the Moon

The Conquest Of The Moon

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