Mars Panoramas

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Everest

Image date: 7 November 2005
Image courtesy: NASA/JPL-Caltech/Cornell
It took Spirit three days, sols 620 to 622 (October 1 to 3, 2005), to acquire all the images combined into this mosaic, called the Everest Panorama, looking outward in every direction from the true summit of Husband Hill. During that period, the sky changed in color and brightness due to atmospheric dust variations, as shown in contrasting sections of this mosaic. Haze occasionally obscured the view of the hills on the distant rim of Gusev Crater 80 kilometers (50 miles) away. As dust devils swooped across the horizon in the upper right portion of the panorama, the robotic explorer changed the filters on the camera from red to green to blue, making the dust devils appear red, green, and blue. In reality, the dust devils are similar in color to the reddish-brown soils of Mars. The result is a sweeping vista that allows viewers to observe weather changes on Mars.

This panorama spans 360 degrees and consists of images obtained during 81 individual pointings of the panoramic camera. Four filters were used at each pointing. Images through three of the filters, for wavelengths of 750 nanometers, 530 nanometers and 430 nanometers, were combined for this approximately true-color rendering.