Rotation of Venus: Period Estimated from Radar Measurements
@article{Goldstein1963RotationOV, title={Rotation of Venus: Period Estimated from Radar Measurements}, author={Richard M. Goldstein and Roland Carpenter}, journal={Science}, year={1963}, volume={139}, pages={910 - 911} }
Venus may rotate in a direction opposite to that of the earth at a rate of only one revolution in 240 days. The estimated period is accurate within 20 percent if the axis of rotation of Venus is perpendicular to the plane of the planet's orbit.
31 Citations
Venus: A Map of Its Brightness Temperature
- Physics, GeologyScience
- 1963
The 200-inch Hale telescope has been used to make high-resolution maps of the brightness temperature of Venus at wavelengths 8 to 14 microns, revealing a general symmetry about the plane of the orbit, no daynight temperature effects, and a transient temperature anomaly in the southern hemisphere.
The mean rotation rate of Venus from 29 years of Earth-based radar observations
- Environmental Science, PhysicsIcarus
- 2019
Mars: Radar Observations
- Physics, GeologyScience
- 1965
Radar studies of Mars indicate that certain areas are quite smooth, while Mars as a whole is significantly smoother to radiation of 12.5-centimeter wavelength than Venus.
Radar studies of the planets
- Physics, Geology
- 1964
The great improvements in power and sensitivity of radar plus the development of more refined and elaborate data analyses have made it possible to obtain a variety of information about the planets.…
Radar Observations of Mars
- PhysicsScience
- 1963
Radar observations of mars, with total echo power measured by a radiometer and analyzed into its frequency spectrum by the autocorrelation approach
Rotation period of Venus estimated from Venus Express VIRTIS images and Magellan altimetry
- Physics
- 2012
Radar surveys of the solar system.
- Physics
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This paper provides a brief account of one aspect of the radar investigations, namely, the study of planetary motions, and shows that the two methods (old and new) complement one another well.
Planetary Radar Science Case for EISCAT 3D
- Physics, Geology
- 2020
Ground-based inverse synthetic aperture radar is a tool that can provide insights into the early history and formative processes of planetary bodies in the inner solar system. This information is…
Infrared photometric mapping of Venus through the 8- to 14-micron atmospheric window
- Physics
- 1963
The 200-inch Hale telescope has been used to obtain high-resolution maps, on four mornings juxtaposed about the Mariner 2 encounter, of the brightness temperature of Venus in the 8- to 14-micron…
Planetary radar science case for EISCAT 3D
- Physics
- 2021
Abstract. Ground-based inverse synthetic aperture radar is a tool that can provide insights into the early history and formative processes of planetary bodies in the inner solar system.
This…
References
Frank presented at the Mariner II symposium
- Am. Geophys. Union meeting