Image:Martian prime meridian Airy-0 crater NASA PIA03207.jpg

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[edit] Summary

Description

The "prime meridian", or zero point of longtitude, of Mars is defined as the longtitude line that passes through the Airy-0 crater in this photo. An excerpt from the original image caption is found below (the complete caption can be read on the source page):

... sections of each of the three images showing the crater Airy-0 are presented. A is a piece of the Mariner 9 image, B is from the Viking image, and C is from the MGS image. Airy-0 is the larger crater toward the top-center in each frame.

MGS refers to the Mars Global Surveyor.
Source

PIA03207: The Martian Prime Meridian -- Longitude "Zero"
Date

A was photographed in 1972, B was photographed in 1978, C was photographed on January 13, 2001
Author

NASA/JPL/MSSS
Permission
(Reusing this image)

see below

[edit] Licensing

Public domain
 This file is in the public domain because it was created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (NASA copyright policy page or JPL Image Use Policy).

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current15:28, 23 July 20071,029×909 (177 KB)Asahiko ({{Information |Description=The "prime meridian", or zero point of longtitude, of Mars is defined as the longtitude line that passes through the Airy-0 crater in this photo. An excerpt from the original image caption is found below (the complete caption ca)
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