Gravitational experiments on a solar probe mission: Scientific objectives and technology considerations

Details Gravitational experiments on a solar probe mission: Scientific objectives and technology considerations Gravitational experiments on a solar probe mission: Scientific objectives and technology considerations

Aug 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989nascp3046..148a&link_type=abstract

In NASA, Relativistic Gravitational Experiments in Space p 148-154 (SEE N90-19940 12-90)

Physics

1

Gravitational Waves, Relativity, Solar Gravitation, Solar Probes, Solar Wind, Angular Momentum, Atmospheric Physics, Eccentricity, Perihelions, Radiation Sources, Red Shift, Starprobe Spacecraft

Scientific paper

The concept of a solar impact probe (either solar plunger or sun grazer) led to the initiation of a NASA study at JPL in 1978 on the engineering and scientific feasibility of a Solar Probe Mission, named Starprobe, in which a spacecraft is placed in a high eccentricity orbit with a perihelion near 4 solar radii. The Starprobe study showed that the concept was feasible and in fact preliminary mission and spacecraft designs were developed. In the early stages of the Solar Probe studies the emphasis was placed on gravitational science, but by the time of a workshop at Caltech in May 1978 (Neugebauer and Davies, 1978) there was about an equal division of interest between heliospheric physics and gravitation. The last of the gravitational studies for Solar Probe was conducted at JPL in 1983. Since that time, the Committee on Solar and Space Physics (CSSP) of the National Academy of Sciences has recommended the pursuit of a focused mission, featuring fields and particles instrumentation and emphasizing studies of the solar wind source region. Such a solar probe mission is currently listed as the 1994 Major New Star candidate. In the remainder of this review, the unique gravitational science that can be accomplished with a solar probe mission is reviewed. In addition the technology issues that were identified in 1980 by the ad hoc working group for Gravity and Relativity Science are addressed.

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