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A Basic Positron Emission Tomography System Constructed to Locate a Radioactive Source in a Bi-dimensional Space

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Published on: February 1, 2016

Titan Radar Mapper observations from Cassini's T3 fly-by.

C Elachi¹, S Wall, M Janssen

¹Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109, USA.

|June 9, 2006

Summary

Cassini

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Area of Science:

Planetary Science
Geology
Remote Sensing

Background:

Saturn's moon Titan is shrouded in a thick atmosphere, making surface observation challenging.
Previous missions provided limited data on Titan's surface features.

Purpose of the Study:

To analyze radar data from Cassini's T3 fly-by to identify and characterize surface landforms on Titan.
To understand the geological processes shaping Titan's surface.

Main Methods:

Utilized high-resolution synthetic-aperture radar (SAR) data from Cassini's Titan Radar Mapper.
Analyzed radiometry and scatterometry data for broader surface context.

Main Results:

First definitive identification of impact craters on Titan's surface.
Observed extensive networks of fluvial channels, suggesting liquid erosion.
Detected surficial dark streaks, potentially indicative of longitudinal dunes.

Conclusions:

Titan's imaged surface exhibits a remarkable diversity of landforms.
Much of the radar-imaged surface is geologically young, indicating ongoing activity.
Evidence suggests both impact and fluvial processes are significant on Titan.