&sq=&lang=&file=File:Alver_crater_EN0220687199M.jpg) MESSENGER image | |
| Feature type | Peak-ring impact basin |
|---|---|
| Location | Bach quadrangle, Mercury |
| Coordinates | 66°58′S 77°15′E / 66.97°S 77.25°E |
| Diameter | 151.49 km (94.13 mi) |
| Eponym | Betti Alver |
Alver is a crater on Mercury. It has a diameter of 151.49 kilometers. Its name was adopted by the International Astronomical Union (IAU) on March 15, 2013. Alver is named for the Estonian poet Betti Alver.[1]
Alver is one of 110 peak ring basins on Mercury.[2] It lies in southern Utaridi Planitia.
On the western side of the peak ring is a dark spot of low reflectance material (LRM), closely associated with hollows.[3]
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Exaggerated color image with Alver at bottom center -
Detail of Alver crater
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&sq=&lang=&file=File:Alver_crater_MESSENGER_mosaic.jpg)
- ^ "Alver". Gazetteer of Planetary Nomenclature. NASA. Retrieved 20 January 2020.
- ^ Chapman, C. R., Baker, D. M. H., Barnouin, O. S., Fassett, C. I., Marchie, S., Merline, W. J., Ostrach, L. R., Prockter, L. M., and Strom, R. G., 2018. Impact Cratering of Mercury. In Mercury: The View After MESSENGER edited by Sean C. Solomon, Larry R. Nittler, and Brian J. Anderson. Cambridge Planetary Science. Chapter 9.
- ^ Zhiyong Xiao, Robert G. Strom, David T. Blewett, Paul K. Byrne, Sean C. Solomon, Scott L. Murchie, Ann L. Sprague, Deborah L. Domingue, Jörn Helbert, 2013. Dark spots on Mercury: A distinctive low-reflectance material and its relation to hollows. Journal of Geophysical Research Planets. doi.org/10.1002/jgre.20115