Sunset on Mars

NASA/JPL-Caltech/Texas A&M/Cornell NASA’s Mars Exploration Rover Spirit captured this stunning view as the Sun sank below the rim of Gusev crater on Mars 20 years ago. In this image, the bluish glow in the sky above the Sun would be visible to us if we were there, but an artifact of the panoramic camera’s infrared imaging capabilities is that with this filter combination, the redness of the sky farther from the sunset is exaggerated compared to the daytime colors of the Martian sky. Read more about this photo. Image credit:…

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NASA’s Spirit Rover Gets Looked Over

NASA Technicians do final checks on NASA’s Spirit rover in this image from March 28, 2003. The rover – and its twin, Opportunity – studied the history of climate and water at sites on Mars where conditions may once have been favorable to life. Each rover is about the size of a golf cart and seven times heavier (about 405 pounds or 185 kilograms) than the Sojourner rover launched on the Mars Pathfinder to Mars mission in 1996. Spirit and Opportunity were sent to opposite sides of Mars to locations…

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