Imaging science High-resolution reconnaissance over large
phase angles; atmospheric dynamics;
geologic structure of satellites
Infrared radiation Atmospheric composition, thermal
structure and dynamics; satellite surface
composition and thermal properties
Photopolarimetry Atmospheric aerosols; satellite surface
texture and sodium cloud
Radio science Atmospheric and ionospheric structure,
constituents, and dynamics
Ultraviolet spectroscopy Upper atmospheric composition and
structure; auroral processes;
distribution of ions and neutral atoms in
the Jovian system
Magnetic fields Planetary magnetic field; magnetospheric
structure; Io flux tube currents
Plasma particles Magnetospheric ion and electron
distribution; solar wind interaction with
Jupiter; ions from satellites
Plasma waves Plasma electron densities; wave-particle
interactions; low-frequency wave emissions
Planetary radio astronomy Polarization and spectra of radio
frequency emissions; Io radio modulation
process; plasma densities
Low-energy charged particles Distribution, composition, and flow of
energetic ions and electrons;
satellite-energetic particle interactions
Cosmic ray particles Distribution, composition, and flow of
high-energy trapped nuclei; energetic
electron spectra
[Illustration: A computer-generated mosaic of Voyager 1 pictures
showing Jupiter from directly above the north pole. This view shows
features to about 20 degrees south latitude. The black area at the
pole results from missing information.]
[Illustration: NASA]