Barnacle Bill (Mars)

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Sojourner Rover next to the Rock "Barnacle Bill"

Barnacle Bill is a 40 centimeter rock on Mars in Ares Vallis. It was the first rock on Mars analyzed by the Sojourner rover using its Alpha Proton X-ray Spectrometer. The encounter occurred during Sol 3 of the Mars Pathfinder mission on the surface of Mars and took ten hours to complete.

Early analysis of data sent from Sojourner led scientists to speculate that the rock was andesite.

The name was inspired in mission scientists by barnacle-like structures on the rock that appeared in transmitted photos.

[edit] External links

• Mars Pathfinder Science Results

This article, which relates to the planet Mars or its moons, is a stub. You can help Wikipedia by expanding it.

This article about an extraterrestrial geological feature is a stub. You can help Wikipedia by expanding it.

Retrieved from "http://en.wikipedia.org../../../b/a/r/Barnacle_Bill_%28Mars%29_e66f.html"

Categories: Mars stubs | Astrogeology stubs | Rocks on Mars

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• This page was last modified 15:05, 6 October 2006 by Wikipedia user Stanthejeep.
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