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Cloud activity on Mars near the equinox: Comparison of the 1937 and 1969 oppositions

Published online by Cambridge University Press:  14 August 2015

G. de Vaucouleurs
G. de Vaucouleurs*
Affiliation:
Department of Astronomy, University of Texas at Austin, Austin, Tex., U.S.A.

Abstract

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Four classes of manifestations of cloud activity observed in 1937 and 1969 near the autumn equinox of the northern hemisphere (165°< Ls < 192°) are discussed: (1) formation of the north polar haze cap, (2) unusual cloud systems on the disk, (3) recurrent or persistent cloud activity at the sunset limb, (4) clouds seen in projection above the sunrise terminator.

Type
Part II: Mars
Information
Symposium - International Astronomical Union , Volume 40: Planetary Atmospheres , 1971 , pp. 310 - 319
Copyright
Copyright © Reidel 1971 

References

1. de Vaucouleurs, G.: 1959, Sky Telesc. 18, 484.Google Scholar
2. de Vaucouleurs, G.: 1954, Physics of the Planet Mars, Faber, London.Google Scholar
3. Slipher, E. C.: 1962, The Photographic Story of Mars, Sky Publ. Corp., Cambridge.Google Scholar
4. Antoniadi, E. M.: 1930, La planète Mars, Hermann, Paris.Google Scholar