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Updated: Jul 12, 2026

11:34
Scattering And Absorption of Light in Planetary Regoliths
Published on: July 1, 2019
Summary
Substantial polar cooling on Venus, previously suggested by microwave interferometry, is questionable. Other microwave data indicate minimal temperature variation across Venus
Area of Science:
- Planetary Science
- Radio Astronomy
- Venus Science
Background:
- Previous microwave interferometry suggested significant polar cooling on Venus.
- Understanding Venus's atmospheric temperature distribution is crucial for climate modeling.
Purpose of the Study:
- To re-evaluate the evidence for polar cooling on Venus.
- To assess the reliability of existing microwave measurements of Venus's temperature.
Main Methods:
- Analysis of microwave interferometry data at 10.6 cm wavelength.
- Comparison with other available microwave measurements of Venus's thermal profile.
Main Results:
- The interpretation of microwave interferometry data suggesting substantial polar cooling is challenged.
- Other microwave observations show little evidence for significant pole-ward temperature gradients.
Conclusions:
- The existence of significant polar cooling on Venus is uncertain.
- Existing microwave data do not strongly support a large temperature difference between Venus's equator and poles.
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