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News Release Archive:

News Release 614 of 938

June 30, 1999 09:00 AM (EDT)

News Release Number: STScI-1999-27

A Closer Encounter with Mars

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Image: Mars' Tharsis Region, Home of the Solar System's Largest Volcanoes

Mars' Tharsis Region, Home of the Solar System's Largest VolcanoesSTScI-PRC1999-27b

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ABOUT THIS IMAGE:

This image is centered on the region of the planet known as Tharsis, home of the largest volcanoes in the solar system. The bright, ring-like feature just to the left of center is the volcano Olympus Mons, which is more than 340 miles (550 kilometers) across and 17 miles (27 kilometers) high. Thick deposits of fine-grained, windblown dust cover most of this hemisphere. The colors indicate that the dust is heavily oxidized ("rusted"), and millions (or perhaps billions) of years of dust storms have homogenized its composition. Prominent late afternoon clouds along the right limb of the planet can be seen.

Object Name: Mars

Image Type: Astronomical

NEWS RELEASE IMAGES

The above image is part of a montage:

Montage Image: Mars at 54 Million Miles (87 Million Km) From Earth Image Type: Astronomical/Annotated Mars at 54 Million Miles (87 Million Km) From EarthPRC1999-27 Mars Image Centered Near Location of Pathfinder Landing Site Image Type: Astronomical Mars Image Centered Near Location of Pathfinder Landing SitePRC1999-27a Mars' Volcanic Elysium Region Image Type: Astronomical Mars' Volcanic Elysium RegionPRC1999-27c Mars' Syrtis Major Region and Hellas Impact Crater Image Type: Astronomical Mars' Syrtis Major Region and Hellas Impact CraterPRC1999-27d

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