Accession Number N20120011729
Title Experimental Investigation into the Radar Anomalies on the Surface of Venus.
Publication Date Mar 2012
Media Count 2p
Personal Author E. Kohler N. M. Johnson P. Gavin V. Chevrier
Abstract Radar mapping of thc surface of Venus shows areas of high reflectivity (low emissivity) in the Venusian highlands at altitudes between 2.5-4.75 kilometers. The origin of the radar anomalies found in the Venusian highlands remains unclear. Most explanations of the potential causes for these radar anomalies come from theoretical work. Previous studies suggest increased surface roughness or materials with higher dielectric constants as well as surface atmospheric interactions. Several possible candidates of high-dielectric materials are tellurium ferroelectric materials, and lead or bismuth sulfides. While previous studies have been influential in determining possible sources for the Venus anomalies, only a very few hypotheses have been verified via experimentation. This work intends to experimentally constrain the source of the radar anomalies on Venus. This study proposes to investigate four possible materials that could potentially cause the high reflectivities on the surface of Venus and tests their behavior under simulated Venusian conditions.
Keywords Anomalies
Bismuth sulfides
Lead sulfides
Planetary mapping
Radar maps
Reflectance
Space simulators
Surface roughness
Tellurium
Test facilities
Venus surface
Venus(Planet)
X ray diffraction

 
Source Agency National Aeronautics and Space Administration
NTIS Subject Category 54 - Astronomy & Astrophysics
84B - Extraterrestial Exploration
Corporate Author Goddard Space Flight Center, Greenbelt, MD.
Document Type Conference proceedings
Title Note N/A
NTIS Issue Number 1226
Contract Number N/A

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