Chemistry of the moon

Wänke, H.

doi:10.1007/3-540-06457-5_15

Topics in Current Chemistry Fortschritte Der Chemischen Forschung

DOI: 10.1007/3-540-06457-5_15

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Chemistry of the moon

H. Wänke

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Cited by 2 publications

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“…The samples have been studied by approximately 1000 scientists in 19 countries. The missions were Apollo 11 Apollo 12 Apollo 14 Apollo 15 Apollo 16 Apollo 17 July [16][17][18][19][20][21][22][23][24]1969 November [14][15][16][17][18][19][20][21][22][23][24]1969 Jan. 31-Feb. 9,1971 July 26-Aug. 7,1971 April [16][17][18][19][20][21][22][23][24][25][26][27]1972 Dec. 7- 19,1972 Mare Tranquillitatis Oceanus Procellarum Fra Mauro Hills Apennine Mountains Descartes Highlands Taurus-Littrow Valley…”

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The Apollo missions and the chemistry of the moon

Pacer¹,

Ehmann²

1975

J. Chem. Educ.

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The Apollo Missions and the Chemistry of the MoonThe purpose of this paper is to present a picture of the principal chemical features of the Moon, in light of the several Apollo missions. General physical features of the Moon will also be discussed briefly. Finally, several theories of the origin of the Moon will be considered, particularly those presented at the Fifth Lunar Science Conference. General Features of the Lunar LandscapeFrom Earth, the most evident feature of the Moon is its division into bright and dark areas. One-third of the visible face is dark, and the rest bright. Without light of its own, the Moon shines only by reflecting the sunlight which falls on it. However, while the Earth reflects some 40% of the sunlight it receives, because of its atmospheric envelope, the Moon reflects only about 7%. Technically, one speaks of the average albedo (or reflectivity) of the Moon as 0.07 and of the Earth as 0.40 (1). The bright, areas of the Moon correspond to the mountainous "highlands" while the lower lying dark areas are called the "maria." Superimposed on this two level relief structure are countless craters and associated rays,. rilles, ridges, and scarps.Craters on the Moon are enormous compared to those on Earth. For example, Theophilus and Tycho are considerably larger than the largest of the craters so far identified on Earth, whether they be volcanic or meteoritic in origin (2), These circular, walled depressions dominate the lunar landscape, appearing in valleys, on the tops of slopes, in the maria, and inside other craters. The larger craters are characteristically surrounded by steep mountain walls and have floors generally lower than the neighboring landscape. Lines of small contiguous craters, known as chain craters, are also observed. Meteorite impacts are believed to be responsible for most of the lunar craters. A few craters may be of volcanic origin, but proof of the existence of volcanic craters is still a moot point. ments, which may leave the surface on one side higher than the other.

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The Apollo missions and the chemistry of the moon

Pacer¹,

Ehmann²

1975

J. Chem. Educ.

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A history of modern selenogony: Theoretical origins of the Moon, from capture to crash 1955?1984

Brush

1988

Space Sci Rev

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Chemistry of the moon

Cited by 2 publications

References 55 publications

The Apollo missions and the chemistry of the moon

The Apollo missions and the chemistry of the moon

A history of modern selenogony: Theoretical origins of the Moon, from capture to crash 1955?1984

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