Simeiz Vallis

Simeiz Vallis
Feature type	Vallis
Coordinates	13°12′S64°18′W / 13.2°S 64.3°W
Eponym	Simeiz Observatory

Last updated December 11, 2025

Simeiz Vallis is a valley at 13.2 S, 64.3 W on Mercury. It is named after Simeiz Observatory.^[1] The name of the valley has since been dropped by the IAU, without being replaced by a new name.^[2]

References

↑ "Gazetteer of Planetary Nomenclature 1994" (PDF). U.S. Geological Survey Bulletin. 2129: 11. 14 February 1995.
↑ Blue, Jennifer (26 March 2013). "Changes to Valles and Catenae on Mercury - USGS Astrogeology Hot Topics". astrogeology.usgs.gov. Archived from the original on 2013-06-05. Retrieved 2025-12-10.

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[1] "Gazetteer of Planetary Nomenclature 1994" (PDF). U.S. Geological Survey Bulletin. 2129: 11. 14 February 1995.

[2] Blue, Jennifer (26 March 2013). "Changes to Valles and Catenae on Mercury - USGS Astrogeology Hot Topics". astrogeology.usgs.gov. Archived from the original on 2013-06-05. Retrieved 2025-12-10.

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