Astronomy

Astronomy

The scientific study of planets, stars, black holes, comets and other celestial bodies that make up outer space.

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Astronomy > Moon

Apollo

Astronomy; Moon

The code name for the U.S. manned Lunar exploration program that successfully completed the first human landing on the Moon by Apollo 11 on July 20 1969. The program began ...

moon water

Astronomy; Moon

The moon had previously been thought to be a dry and dusty place until frozen water was discovered in one of its permanently shadowed craters in 2009. The latest studies found ...

tides

Astronomy; Moon

The cyclical movement of bodies of water or land on the Earth or the Moon caused by the gravitational pull of the Earth, Moon, and Sun.

transit

Astronomy; Moon

The point when the path of the Moon, the Sun, a star, or a planet takes it across the meridian.

tropical month

Astronomy; Moon

The time required for the Moon return to a specific celestial longitude, or to move from the first point of Aries and back: a period of 27. 321582 days.