Science

A new tour each night, with maps, photos, explanations, animations, selected links and music.

Designed for a low polar orbit investigation, including mapping of surface composition and possible polar ice deposits, measurements of magnetic and gravity fields, and study of outgassing events.

General information providing a summary of geological and physical properties.

Companion to two-hour NOVA special originally broadcast on July 13, 1999 which chronicles the untold science and engineering story of getting there.

A guide to telescopic observations.