Davies is a crater on

Mars Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System, only being larger than Mercury. In the English language, Mars is named for the Roman god of war. Mars is a terrestrial planet with a thin at ...

located at 46°N 0°E on the fringe of Acidalia Planitia near

Arabia Terra Arabia Terra is a large upland region in the north of Mars that lies mostly in the Arabia quadrangle, but a small part is in the Mare Acidalium quadrangle. It is densely cratered and heavily eroded. This battered topography indicates great age ...

. It is approximately 48 km in diameter. The crater's name was formally approved by the International Astronomical Union, IAU in 2006. It was named in honor of Merton Davies (1917-2001), a pioneer in the cartography of planetary bodies. An employee of the RAND Corporation, he assisted NASA in mapping Mars with colleagues Gérard de Vaucouleurs and Harold Masursky and defined the prime meridian of Mars as passing through the crater Airy-0. Davies Crater lies on the prime meridian, appropriate because Davies was responsible for its delineation.Where is zero degrees longitude on Mars?
ESA / Science & Exploration / Space Science / Mars Express, 19 August 2004 Davies crater G01 018661 2263 XN 46N000W

Davies crater G01 018661 2263 XN 46N000W

References

{{DEFAULTSORT:Davies (Crater) Impact craters on Mars Mare Acidalium quadrangle