| NASA Center: |
Jet Propulsion Laboratory |
|---|
| Image # : |
PIA00340 |
|---|
| Date : |
01/06/1990
|
|---|
|
Title
Montage of Neptune and Triton
Full Description
This computer generated montage shows Neptune as it would appear from a
spacecraft approaching Triton, Neptune's largest moon at 2706 km (1683
mi) in diameter. The wind and sublimation eroded south polar cap of
Triton is shown at the bottom of the Triton image, a cryovolcanic
terrain at the upper right, and the enigmatic "cantaloupe terrain" at
the upper left.
Triton's surface is mostly covered by nitrogen frost mixed with traces
of condensed methane, carbon dioxide, and carbon monoxide. The tenuous
atmosphere of Triton, though only about one hundredth of one percent of
Earth's atmospheric density at the surface, is thick enough to produce
wind-deposited streaks of dark and bright materials of unknown
composition in the south polar cap region. The southern polar cap was
sublimating at the time of the Voyager 2 flyby, as indicated by the
irregular and eroded appearance of the edge of the cap.
Keywords
Neptune Triton Voyager Earth Jet Propulsion Laboratory JPL
Subject Category
Voyager-Galileo, Planet-Neptune, Neptunes Moons,
Reference Numbers
- Center:
JPL
- Center Number:
PIA00340
- GRIN DataBase Number:
GPN-2000-001983
Source Information
- Creator/Photographer: NASA
- Original Source: digital
| Resolution | Format | Width
(Pixels) | Height
(Pixels) | Size
(KBytes) |
Thumbnail |
.jpg |
90 |
90 |
12 |
Small |
.jpg |
640 |
640 |
289 |
Medium |
.jpg |
1500 |
1500 |
1,378 |
Large |
.jpg |
3000 |
3000 |
5,336 |
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Updated October 31, 2002
• History Questions: NASA History Office
• Responsible NASA Official: Steve Garber
• Author: Michael Hahn. Editor: Dwayne A. Day
• Curator & Technical Questions: Erin Needham
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