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The Landsat Thematic Mapper (TM) obtains data of volcanos on Earth in six spectral bands between 0.4 and 2.4 micrometers at a resolution of 30 meters/pixel, and one band between 8.0 and 12.0 meters at 100 meters/pixel. Here, TM data allow iron oxides (shown in red) in the cinder cones of Mauna Kea (slide #32) to be identified. Also visible in blue is the distribution of debris generated during the last ice age, which shows that Mauna Kea has not been active for several thousand years. North is at the top. Landsat 5 path 63, row 40; image enhanced by H. Garbeil. Right click here to download a high-resolution version of the image (8.56 MB) |
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