GeoHack - Echegaray (crat%C3%A8re)

Echegaray (crat%C3%A8re)
Coordinates on Mercury 42° 42′ 0″ N, 19° 12′ 0″ W  (42.7°, -19.2°) Type scale:100000 Zoom 5


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Longitude[modifier]

Longitude on Mercury increases in the westerly direction. A small crater named Hun Kal provides the reference point for measuring longitude. By definition, the center of Hun Kal is 20° west longitude.[1]

References[modifier]

  1. ^ "USGS Astrogeology: Rotation and pole position for the Sun and planets (IAU WGCCRE)". Retrieved 22 October 2009.

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