- Press Release
- August 18, 2022
NASA Mars Odyssey THEMIS Image: Tyrrhena Patera 10-13-2004
Context image credit: NASA/Mars Orbiter Laser Altimeter (MOLA) Team
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Full data on this image has now been released via the THEMIS Data Releases website.
This week we will be examining images of Tyrrhena Patera and
its surroundings. Tyrrhena Patera is one of several moderate
sized volcanoes located in the Martian southern highlands.
While the volcanic edifice is only moderate in size (when
compared to the larger Tharsis volcanoes), the surrounding
volcanic materials cover an extensive area. Deep eroded channels
on the slope of the volcano indicate that the volcano itself
is likely composed of pyroclastic materials rather than flow
[Source: ASU THEMIS Science Team]
Note: this THEMIS visual image has not been radiometrically nor geometrically calibrated for this preliminary release. An empirical correction has been performed to remove instrumental effects. A linear shift has been applied in the cross-track and down-track direction to approximate spacecraft and planetary motion. Fully calibrated and geometrically projected images will be released through the Planetary Data System in accordance with Project policies at a later time.
Image Credit: NASA/JPL/Arizona State University
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