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Thermal Wave Phenomena
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Caption:
This map from the MGS Horizon Sensor Assembly (HORSE) shows middle atmospheric temperatures near the 1 mbar level of Mars between Ls 170 to 175 (approx. July 14 - 23, 1999). Local Mars times between 1:30 and 4:30 AM are included. Infrared radiation measured by the Mars Horizon Sensor Assembly was used to make the map. That device continuously views the "limb" of Mars in four directions, to help orient the spacecraft instruments to the nadir: straight down.
The map shows thermal wave phenomena that are caused by the large topographic variety of Mars' surface, as well the latitudinally symmetric behavior expected at this time of year near the equinox.
Cataloging Keywords:
| Name | Value | Additional Values |
|---|---|---|
| Target | Mars | |
| System | ||
| Target Type | Planet | |
| Mission | Mars Global Surveyor (MGS) | |
| Instrument Host | Mars Global Surveyor | |
| Host Type | Orbiter | |
| Instrument | Mars Horizon Sensor Assembly | |
| Detector | ||
| Extra Keywords | Atmosphere, Color, Infrared, Map, Thermal | |
| Acquisition Date | ||
| Release Date | 1999-09-18 | |
| Date in Caption | ||
| Image Credit | NASA/JPL | |
| Source | photojournal.jpl.nasa.gov/catalog/PIA02335 | |
| Identifier | PIA02335 | |
