Science aspects of a mission beyond the planets

Details Science aspects of a mission beyond the planets Science aspects of a mission beyond the planets

Sep 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979icar...39..486j&link_type=abstract

Icarus, vol. 39, Sept. 1979, p. 486-494.

Computer Science

3

Grand Tours, Interplanetary Flight, Interstellar Spacecraft, Mission Planning, Space Exploration, Space Missions, Cosmic Rays, Escape Velocity, Interstellar Space, Mass Spectrometers, Parallax, Planetary Systems, Pluto (Planet), Solar System, Trajectory Analysis, Review, Mission Planning, Interstellar Space, Interplanetary Space, Solar System, Experiments, Space Program, Equipment, Venus, Rocks, Mineral Composition, Analysis, Thermodynamics, Hydration, Geochemistry, Troposphere, Crust, Surface, Iron, Water,

Scientific paper

A mission out of the planetary system, launched about the year 2000, could provide valuable data concerning characteristics of the heliopause, the interstellar medium, stellar distances (by parallax measurements), low-energy cosmic rays, interplanetary gas distribution, and mass of the solar system. Secondary objectives include investigation of Pluto. Candidate science measurements, instruments, and instrument development needs are discussed. The mission should extend from 400 to 1000 AU from the sun. A heliocentric hyperbolic escape velocity of 50-100 km/sec or more is needed to attain this distance within a reasonable mission duration (20-50 years). The trajectory should be toward the incoming interstellar gas. For a year 2000 launch, a Pluto encounter and orbiter can be included. A second mission targeted parallel to the solar axis would also be worthwhile.

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