Explore Mars with JMARS
See Mars in Greater Detail
Using HiRISE, basketball size objects are distinguishable. Note: Only ~3% of Mars has this level of detail.
Circles show available HiRISE images. Larger circles mark areas studied more often (more images).
Each rectangle is an actual HiRISE image footprint.
Accessing HiRISE
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Open JMARS
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Zoom in to your area of interest, to limit data downloads. Try zoom 128.
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Open new layer. Type in HiRISE. click "HiRISE Stamps".
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In the new pop-up window, click “SET LON/LAT TO BOUNDS OF VIEW”. Click OK. Close window.
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Click, and drag over stamp (s) to select the stamp(s) in your area of interest. Chosen stamps are outlined in yellow. Note: The fewer stamps selected the quicker images load.
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Right click on one of the yellow outlines. Click "Render Selected HiRise_Full Stamps" Click the side orange label.
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Wait… Wait. You will not be able to click on anything until this process is completed. You can then zoom in up to ~131072 pixels/degree zoom. Each zoom or may take several minutes to show.
The following images illustrate the resolution difference between the CTX and HiRISE resolution for the sand dunes the small Belva Crater in the Jezero Crater delta. See scale.
A place to begin
What do you notice?
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What becomes visible as you zoom in further?
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How does the same place look at different zoom levels?
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What might those differences help you understand?