Planet Mars, As Seen by the 100 Inch Telescope at Mount Wilson Observatory
![Astronomers took these images of planet Mars through the 100-inch telescope at the Mount Wilson Observatory in California.](https://science.nasa.gov/wp-content/uploads/2024/03/7341_Mars-history-telescope-view-mount-wilson-1956-100-inch-full2.jpg?w=4096&format=jpeg)
Mount Wilson and Plaomar Observatories Mars views a, b, c taken in red light showing rotation; d) taken in blue light. Cat # 272 Taken with Palomar Observatories 100 inch telescope.
September 11, 1956
Credit | The Carnegie Institution for Science |
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Astronomers took these images of planet Mars through the 100-inch telescope at the Mount Wilson Observatory in California. They used a red filter to take images a, b, and c, to show surface features and the effect of Mars' rotation. They used a blue filter for image d, which shows the atmosphere only.