Release 1025 of 1,057
Mars, Three-color Composite
Release date: May 30, 1991 12:00 AM (EDT)

Exposures taken through separate red, green, and blue filters and used to create a color image of Mars (lower right). The red filter shows the best surface detail. Because Mars' atmosphere scatters blue light (as on Earth) Martian surface detail is obscured in the blue filter exposure. The blue filter exposure does allow for clouds to be easily seen. A polar hood of clouds over Mars' north pole is evident, and a thin sheet of morning clouds is evident on the western limb (bottom).

Release ID: STScI-1991-11
Release image
Hubble Space Telescope Image of Mars
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Credits

Credit: P. James of Toledo