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the claim

Standardized systems exist for defining the Prime Meridian on extraterrestrial bodies

the verdict
SUPPORTED
the evidence backs this
Recorded sources
2 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that standardized systems exist for defining the Prime Meridian on extraterrestrial bodies?

Yes. Standardized coordinate systems and reference frameworks governed by international scientific bodies exist for defining the prime meridians of extraterrestrial bodies such as Mars and Mercury.

Verdict: SUPPORTED · 2 sources for, 0 against · Last checked

The analysis

Retrieved papers explicitly mention standardized orientation models and prime meridian definitions established by the International Astronomical Union (IAU) for planets like Mars and Mercury, directly supporting the claim.

Evidence for · 2
Deriving Mercury Geodetic Parameters With Altimetric Crossovers From the Mercury Laser Altimeter (MLA)
2021
Discusses the International Astronomical Union-recommended orientation model for Mercury, which includes defined parameters for its prime meridian rotation rate.
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Bertone, S., Mazarico, E., Barker, M., Goossens, S., Sabaka, T., Neumann, G., & Smith, D. (2021). Deriving Mercury Geodetic Parameters With Altimetric Crossovers From the Mercury Laser Altimeter (MLA). doi.org. https://doi.org/10.1029/2020JE006683

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More for · 1
The location of Airy‐0, the Mars prime meridian reference, from stereo photogrammetric processing of THEMIS IR imaging and digital elevation data
2014
Details how the International Astronomical Union working group on cartographic coordinates defines and updates the prime meridian reference location on Mars, such as the crater Airy-0.
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Duxbury, T., Christensen, P., Smith, D., Neumann, G., Kirk, R., Caplinger, M., Albee, A. A., Seregina, N. V., Neukum, G., & Archinal, B. (2014). The location of Airy‐0, the Mars prime meridian reference, from stereo photogrammetric processing of THEMIS IR imaging and digital elevation data. doi.org. https://doi.org/10.1002/2014JE004678

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What does the evidence say?

Retrieved papers explicitly mention standardized orientation models and prime meridian definitions established by the International Astronomical Union (IAU) for planets like Mars and Mercury, directly supporting the claim.

Receipt History
first checked06 Aug 2026
judged → SUPPORTED · 7106 Aug 2026
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