PIA00500: NIMS Ganymede Surface Map


NIMS Ganymede Surface Map

Caption:

Galileo has eyes that can see more than ours can. By looking at what we call the infrared wavelengths, the NIMS (Near Infrared Mapping Spectrometer) instrument can determine what type and size of material is on the surface of a moon. Here, 3 images of Ganymede are shown.

Left: Voyager's camera.

Middle: NIMS, showing water ice on the surface. Dark is less water, bright is more.

Right: NIMS, showing the locations of minerals in red, and the size of ice grains in shades of blue.

Background Info:

This image and other images and data received from Galileo are posted on the World Wide Web, on the Galileo mission home page at http://galileo.jpl.nasa.gov.

Cataloging Keywords:

Name Value Additional Values
Target Ganymede
System Jupiter
Target Type Satellite
Mission Galileo Voyager
Instrument Host Galileo Orbiter
Host Type Orbiter Flyby Spacecraft
Instrument Near Infrared Mapping Spectrometer (NIMS)
Detector
Extra Keywords Color, Infrared, Map, Water
Acquisition Date
Release Date 1998-03-26
Date in Caption
Image Credit NASA/JPL
Source photojournal.jpl.nasa.gov/catalog/PIA00500
Identifier PIA00500