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Scientists Locate Penguins by What They Leave Behind
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Published June 5, 2009
A guano stain betrays the location of an emperor penguin colony on Antarctic ice in this Landsat image from December 4, 2002.
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Yosemite National Park
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Published May 31, 2009
Naked summits alternate with forested lowlands in Yosemite Valley in this image acquired on August 18, 2001.
Hells Canyon National Recreation Area
Published March 8, 2009
This natural-color image of Hells Canyon was captured by NASA’s Landsat-7 satellite on September 19, 2002. The image shows the northern part of the canyon, where the Imnaha River joins the Snake River.
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Auckland, New Zealand
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Published March 3, 2009
This natural-color (photo-like) image of Auckland was acquired on August 27, 2002, by NASA’s Landsat 7 satellite. The most densely developed areas appear white and gray, while suburban areas appear grayish green—a mixture of houses, streets, and lawns. The city spreads out across various peninsulas surrounding Tamaki Strait and other bays and inlets.
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