ABSTRACT
The surface of Mars displays a wide variety of landforms and sedimentary deposits that record the planet’s geological history. These features reflect the combined effects of volcanism, wind activity, and past interactions with water. By using planetary mapping and remote sensing data, scientists can identify surface units, interpret depositional environments, and reconstruct how Martian landscapes evolved through time.
This seminar will provide an overview of major Martian landforms and sedimentary deposits, illustrating how orbital imagery and spectral data are used to study surface composition and morphology.
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Introduction
Mars is one of the most explored bodies in our solar system, and it's the only planet where we've sent rovers to roam the alien landscape. NASA missions have found lots of evidence that Mars was much wetter and warmer, with a thicker atmosphere, billions of years ago.
Namesake
Mars was named by the ancient Romans for their god of war because its reddish color was reminiscent of blood. Other civilizations also named the planet for this attribute – for example, the Egyptians called it "Her Desher," meaning "the red one." Even today, it is frequently called the "Red Planet" because iron minerals in the Martian dirt oxidize, or rust, causing the surface to look red.
Potential for Life
Scientists don't expect to find living things currently thriving on Mars. Instead, they're looking for signs of life that existed long ago, when Mars was warmer and covered with water.