Arnus Vallis is an ancient river valley in the Syrtis Major quadrangle of Mars, located at 14.1° north latitude and 289.5° west longitude. It is 280 km long and was named after the classical and present day Arno River in Tuscany, Italy (previously named Arena Rupes).[1]

  • Arnus Vallis layers, as seen by HiRISE.
    Arnus Vallis layers, as seen by HiRISE.

References

  1. ^ "Planetary Names: Welcome". Planetarynames.wr.usgs.gov. Retrieved 2022-03-20.


Allikas: https://en.wikipedia.org/wiki/Arnus_Vallis
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