{title}
Coordinates on Mercury{latdegabs}° {latminint}′ {latsecdec}″ {latNS}, {londegabs}° {lonminint}′ {lonsecdec}″ {lonEW}  ({latdegdec}°, {londegdec}°)Type{type}Zoom{zoom}


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Longitude edit

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 edit

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