Sentence examples for gravity map from inspiring English sources
Variations in distance caused by gravity difference on earth produce data points for the gravity map.
Grace is to produce a gravity map of earth's entire surface every 30 days; during its five-year service, it should produce 60 maps, showing subtle changes over time.
Muller and Sjogren used the Doppler-shifted radio signals of the spacecraft to make the first detailed gravity map of the Moon's near side (a technique that has since been applied to other planets).
The project, sponsored by the National Aeronautics and Space Administration and the German Aerospace Center (or DLR), consists of a pair of satellites nicknamed Tom and Jerry, which will follow and monitor each other in space and, in the process, produce a gravity map of the planet 100 times as accurate and detailed as any done before.
The transverse fault bisects the observed gravity low in the Bouguer gravity map (Fig. 4a).
1994 Orbiting Clementine spacecraft provides imagery, altimetry, and gravity maps of entire Moon.
The team also obtained government gravity maps, which show variations in the density of the deep rock, and in March 1999 took their own gravity readings as well, the Earth and Planetary Science article said.
Previous gravity maps of earth have been created by using gravitational fluctuations that affect a single satellite, or by combining ground-tracking data on the orbits of several spacecraft.
Tracking of the velocities of the Clementine, Lunar Prospector, and Kaguya spacecraft (launched 1994, 1998, and 2007, respectively) as they orbited the Moon provided detailed gravity maps, including mascon characteristics, of most of the lunar surface.
Another approach under consideration is to compare Jutzi and Asphaug's simulations with details of the moon's internal structure, gleaned from lunar maps drawn up by Nasa's Lunar Reconnaissance Orbiter, and high-resolution gravity maps of the moon, which will be obtained next year by Nasa's Gravity Recovery and Interior Laboratory (GRAIL) mission.
