[this was originally posted to a private subreddit]
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"You are here" pointing to Earth as seen by Spirit rover
This is the first image ever taken of Earth from the surface of a planet beyond the Moon. It was taken by the Mars Exploration Rover Spirit one hour before sunrise on the 63rd Martian
day, or sol, of its mission. (March 8, 2004) The image is a mosaic of images taken by the rover's navigation camera showing a broad view of the sky, and an image taken by the rover's
panoramic camera of Earth. The contrast in the panoramic camera image was increased two times to make Earth easier to see.The inset shows a combination of four panoramic camera images
zoomed in on Earth. The arrow points to Earth. Earth was too faint to be detected in images taken with the panoramic camera's colour filters.
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