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Geological studies of the Moon are based on a combination of Earth-based telescope observations, measurements from orbiting spacecraft, lunar samples, and geophysical data. . Six locations were sampled directly during the crewed Apollo program landings from 1969 to 1972, which returned 382 kilograms (842 lb) of lunar rock and lunar soil to Earth [8] In addition, three robotic Soviet Luna ...
The Moon is Earth's only natural satellite.It orbits around Earth at an average distance of 384,400 km (238,900 mi), about 30 times the width of Earth. Tidal forces between Earth and the Moon have synchronized the Moon's orbital period (lunar month) with its rotation period at 29.5 Earth days, causing the same side of the Moon to always face Earth.
The Moon's surface exhibits many other geological features. In addition to mountains, valleys, and impact craters, the following surface features have received names in the Lunar nomenclature , many of them named after a nearby crater or mountain.
The first artificial object to fly by the Moon was uncrewed Soviet probe Luna 1 on January 4, 1959, and went on to be the first probe to reach a heliocentric orbit around the Sun. [28] Few knew that Luna 1 was designed to impact the surface of the Moon. The first probe to impact the surface of the Moon was the Soviet probe Luna 2, which made a ...
Schematic illustration of the internal structure of the Moon. Several lines of evidence imply that the lunar core is small, with a radius of about 350 km or less. [5] The diameter of the lunar core is only about 20% the diameter of the Moon itself, in contrast to about 50% as is the case for most other terrestrial bodies.
Pages in category "Surface features of the Moon" The following 26 pages are in this category, out of 26 total. This list may not reflect recent changes. ...
This amazing video shows the moon’s surface in dramatic detail Photographer takes detailed shots of the moon over a month Skip to main content. 24/7 Help. For premium support please call: 800 ...
First spacecraft to impact the lunar surface. [13] This made the Soviet Union the 1st country to impact the surface of the Moon. 12: Luna 3 (E-2A No.1) Luna 3: 4 October 1959: Luna: OKB-1: Flyby: Success Returned the first images of the far side of the Moon. [14] 13: Pioneer P-3. Able IVB. Pioneer P-3: 26 November 1959: Atlas-D Able: NASA ...