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The Martian twilight (1981)

Pollack, J. ; Kahn, R. ; Goody, R.

In: Other Sources

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Publication Date: 2019-06-28

Description: The changing sky brightness during the Martian twilight as measured by the Viking lander cameras is shown to be consistent with data obtained from sky brightness measurements. An exponential distribution of dust with a scale height of 10 km, equal to the atmospheric scale height, is consistent with the shape of the light curve. Multiple scattering resulting from the forward scattering peak of large particles makes a major contribution to the intensity of the twilight. The spectral distribution of light in the twilight sky may require slightly different optical properties for the scattering particles at high levels from those of the aerosol at lower levels.

Keywords: LUNAR AND PLANETARY EXPLORATION

Type: Journal of Geophysical Research; 86; July 1

Format: text

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