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Mariner 6 and 7 television pictures: Preliminary analysis*

Published online by Cambridge University Press:  14 August 2015

R. B. Leighton ,
N. H. Horowitz ,
B. C. Murray ,
R. P. Sharp ,
A. H. Herriman ,
A. T. Young ,
B. A. Smith ,
M. E. Davies  and
C. B. Leovy
R. B. Leighton
Affiliation:
California Institute of Technology, Pasadena, Calif., U.S.A.
N. H. Horowitz
Affiliation:
California Institute of Technology, Pasadena, Calif., U.S.A.
B. C. Murray
Affiliation:
California Institute of Technology, Pasadena, Calif., U.S.A.
R. P. Sharp
Affiliation:
California Institute of Technology, Pasadena, Calif., U.S.A.
A. H. Herriman
Affiliation:
Jet Propulsion Laboratory, Pasadena, Calif., U.S.A.
A. T. Young
Affiliation:
Jet Propulsion Laboratory, Pasadena, Calif., U.S.A.
B. A. Smith
Affiliation:
New Mexico State University, Las Cruces, N.M., U.S.A.
M. E. Davies
Affiliation:
RAND Corporation, Santa Monica, Calif., U.S.A.
C. B. Leovy
Affiliation:
University of Washington, Seattle, U.S.A.

Extract

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Before the space era, Mars was thought to be like the earth; after Mariner 4, Mars seemed to be like the moon; Mariners 6 and 7 have shown Mars to have its own distinctive features, unknown elsewhere within the solar system.

The successful flyby of Mariner 4 past Mars in July 1965 opened a new era in the close-range study of planetary surfaces with imaging techniques. In spite of the limited return of data, Mariner 4 established the basic workability of one such technique, which involved use of a vidicon image tube, on-board digitization of the video signal, storage of the data on magnetic tape, transmission to the earth at reduced bit rate by way of a directional antenna, and reconstruction into a picture under computer control. Even though the Mariner 4 pictures covered only about 1% of Mars's area, they contributed significantly to our knowledge of that planet's surface and history [1, 2, 15, 17].

Type
Part II: Mars
Information
Symposium - International Astronomical Union , Volume 40: Planetary Atmospheres , 1971 , pp. 259 - 294
Copyright
Copyright © Reidel 1971 

References

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