NASA/JPL/ASU THEMIS Intro: Light, camera, action!.

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Presentation transcript:

NASA/JPL/ASU THEMIS Intro: Light, camera, action!

NASA/JPL

Mars Odyssey NASA/JPL

MARS ODYSSEY Arrived at Mars October 2001 Mapping Mars since February 2002 NASA/JPL Exploring for 5 years! Goal 1: Determine if Life ever arose on Mars.Goal 2: Characterize the Climate of Mars.Goal 3: Characterize the Geology of Mars.Goal 4: Prepare for Human Exploration of Mars. Life Climate GeologyHuman ExplorationLife Climate GeologyHuman Exploration

NASA/JPL

THEMIS NASA/JPL Th________________ Em_______________ I_________________ S_________________

THEMIS NASA/JPL Thermal Emission Imaging System

Thermal Emission Imaging System (THEMIS) 2-IN-1 CAMERA 1. Visible Imaging (VIS) –Visible-light images with 18 meters per pixel resolution. 2. Infrared Imaging (IR) –The entire planet will be mapped in the infrared at 100 meters per pixel resolution. NASA/JPL

It’s all about light – The Electromagnetic Spectrum The SUN radiates and creates different types of LIGHT!

Higher energyLower energy

THEMIS Visible Filters There are 10 IR Filters/bands BLUE GREENREDIR 1IR 2

What Does a filter do?

What filter would you use to take an image of Mars?

THEMIS RAW VIS IMAGE Each framelet is taken once per second. Each framelet is shifted with respect to the others because Mars rotates underneath the spacecraft. 18 km 19 framelets

NASA/JPL/MSSS How much of Mars is imaged in a THEMIS image?

What is a pixel? ___m 18