Testing Relativistic Gravityand Measuring Solar System Parameters via Optical Space Missions
Identifieur interne : 000990 ( Main/Exploration ); précédent : 000989; suivant : 000991Testing Relativistic Gravityand Measuring Solar System Parameters via Optical Space Missions
Auteurs : Wei-Tou Ni [République populaire de Chine]Source :
- Lecture Notes in Physics [ 0075-8450 ] ; 2001.
Abstract
Abstract: For last thirty years, great advances in the testing of relativistic gravity have come from interplanetary radio ranging and lunar laser ranging. With optical mission concepts in the interplanetary space, testing relativistic gravity can be improved by 3 – 6 orders of magnitude and many solar-system parameters can be measured either for the first time or more precisely. After reviewing briefly dedicated optical mission concepts — SORT, IPLR and ASTROD together with other optical mission or mission concepts which have important implications on testing relativity and astrodynamics — HIPPARCOS, GAIA and LISA, we concentrate on a specific mission concept — ASTROD to discuss various mission goals and capabilities in detail. ASTROD is an optical interferometry mission concept. Optical interferometry missions hold great promises for the testing of relativistic gravity and for the measuring of solar-system parameters. We discuss the determination of relativistic parameters γ, β and the solar quadrupole moment parameter J 2, the measurements of solar Lense-Thirring effect together with the application of laser astrodynamics to solar system studies — solar angular momentum, solar g-modes, asteroid masses, etc.
Url:
DOI: 10.1007/3-540-40988-2_17
Affiliations:
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