Reports

Astronomical Applications of Differential Interferometry

Science  10 Nov 1972:
Vol. 178, Issue 4061, pp. 607-608
DOI: 10.1126/science.178.4061.607

Abstract

Intercomparison of radio signals received simultaneously at several sites from several sources with small mutual angular separation provides a powerful astrometric tool. Applications include tracking the Lunar Rover relative to the Lunar Module, determining the moon's libration, measuring winds in Venus's lower atmosphere, mapping Mars radiometrically, and locating the planetary system in an inertial frame.

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