Over the course of a full Martian year, the Mars Global Surveyor will return an unprecedented amount of data regarding Mars' surface features, atmosphere, and magnetic properties. Scientists will use the data gathered from this mission both to learn about the Earth by comparing it to Mars, and to build a comprehensive data set to aid in planning future missions.

Excerpted from the Mars Global Surveyor Overview

Click on the image map below which contains information about the scientific instruments used by the Surveyor.

Comparative sizes

MGS Slideshow

Is there life on Mars?

View of Mars surface from the Lander

courtesy of Malin Space Science systems/NASA


Spectroscopy Homepage
Mars Relay Mars Orbiter Camera Magnetometer Electron Reflectometer Thermal Emission Spectrometer Mars Orbiter Laser Altimeter