The first such map, from just 89 days of in - flight testing, is 10 times better than 3 decades
of gravity data from all other sources combined, says aerospace engineer Byron Tapley of the University of Texas, Austin, leader of the U.S. GRACE team.
Not exact matches
These last passes will reveal new
data about Saturn, its atmosphere and clouds, the materials making up its rings, and the mysterious
gravity and magnetic fields
of the gas planet.
Predictions can be made based on the Law
of Gravity and then testing the prediction with actual
data.
I can use my «faith» to deny the «theory»
of evolution even though there is as much scientific
data supporting evolution as there is supporting the «theory»
of gravity.
Just recently scientists released amazing
data of the polarization
of the Cosmic Background Radiation that could be the fingerprint
of Cosmic Inflation and
Gravity Waves.
Benoit and Ebinger also made use
of the North American
Gravity Database, a compilation
of open - source
data from the U.S., Canada, and Mexico.
The study uses
data from two NASA missions — Operation IceBridge, which measures ice thickness and
gravity from aircraft, and Oceans Melting Greenland, or OMG, which uses sonar and
gravity instruments to map the shape and depth
of the seafloor close to the ice front.
This study by R.W. Saltus and colleagues
of gravity, seismic, and magnetic
data overturns this conventional interpretation and shows that the bounding fault instead dips to the southwest (beneath the mountains); it is a thrust fault.
WASHINGTON, D.C. — A team
of physicists has used
data from GPS satellites to hunt for dark matter, the mysterious stuff whose
gravity appears to hold galaxies together.
Virendra Tiwari from the National Geophysical Research Institute in Hyderabad, India, and colleagues used
gravity data from the GRACE satellite to monitor the loss
of continental mass around the world since 2002.
The scientists relied on
data from the pair
of GRACE satellites — NASA's
Gravity Recovery and Climate Experiment orbiters launched in 2002 — that measure subtle changes in Earth's gravitational field, which are often the result
of shifting water, whether on the surface or deep beneath it.
Evidence
of three new basins comes from
gravity data collected by NASA's GRAIL mission in 2012 (new basins circled in black, redder colors indicate a greater gravitational tug).
Maps
of the moon generated from
gravity data gathered by the GRAIL spacecraft include three previously undiscovered lunar basins, Bartels - Voskresenskiy, Copernicus - H and Asperitatis.
By comparing the
data streaming in to models
of different potential sources, researchers can pick out the voice
of cosmic
gravity from the static
of earthly mumblings.
On a future flyby, Juno will try to use
gravity data to detect the storm at depths
of thousands
of kilometers.
Once that
data has been collected, he will apply the techniques he developed on the Juan de Fuca in the hope
of learning more about what lies beneath the seafloor in the old oceans, where mysterious undulations in Earth's
gravity field have been measured.
Furthermore, the analysis
of the Planck
data also revealed small disruptions in
gravity itself that are not completely consistent with the standard model
of cosmology.
Our
data won't have the detail or «resolution» necessary to allow us to investigate many aspects
of quantum
gravity.
The X-ray
data also indicates that radiation from material surrounding this black hole has consistently surpassed the so - called Eddington limit, defined by a balance between the outward pressure
of radiation from the hot gas and the inward pull
of the
gravity of the black hole.
The extraction
of the tide from the LOLA
data would have been impossible without the
gravity model
of the moon provided by the GRAIL mission,» said David Smith, the principal investigator for LRO's LOLA instrument and the deputy principal investigator for the GRAIL mission.
Using GPS, InSAR,
gravity, seismic reflection, and geological
data, Marcos Moreno and colleagues from GFZ as well as Chile show that the 2016 earthquake occurred at the deep boundary
of a persistent asperity on the interface between the subducting Nazca and overriding South American plates, where both plates are coupled and not sliding past each other in spite
of the high convergence velocity
of 68 mm / year.
So you could equally well interpret that to say that the
data are telling us that there is something wrong with our understanding
of gravity.»
This new gene expression
data therefore provides additional evidence that the altered behavior
of bacteria in space results from decreased
gravity driving reduced extracellular transport
of molecules.
Maria Zuber Professor
of Geophysics and Planetary Science, MIT Using laser ranging,
gravity measurements, and
data from spacecraft, Zuber maps surface features and probes the interior
of Mars, Venus, Jupiter's moons, and our own moon.
Hydrologist J.T. Reager and colleagues from the University
of California, Irvine looked at
data from GRACE, a duo
of NASA satellites that detect small changes in Earth's
gravity.
«
Gravity glasses offer a view of the Earth's interior: Data grid for GOCE gravity field measurements sheds new light on the Earth's structure.
Gravity glasses offer a view
of the Earth's interior:
Data grid for GOCE
gravity field measurements sheds new light on the Earth's structure.
gravity field measurements sheds new light on the Earth's structure.»
«Our results show that there are theories
of gravity in which black holes can masquerade as Einsteinian, so new techniques
of analyzing EHT
data may be needed to tell them apart,» remarks Luciano Rezzolla, professor at Goethe University and leader
of the Frankfurt team.
The discovery is thanks to
gravity data from a flyby by NASA's Cassini spacecraft, which also discovered the subsurface oceans
of two others
of Saturn's moons, Titan and Enceladus.
After tinkering with Einstein's general relativity equations to put in a new correction factor, he used the
data from the experiment to calculate
gravity's speed: 1.06 times that
of light, give or take an error
of 20 percent.
Even NASA's
gravity - sensing GRACE satellites, which have provided stunning ice mass
data since their launch in 2002, are nearing the end
of their planned life.
Last November,
data from a balloon - borne particle detector circling the South Pole revealed a dramatic excess
of high - energy particles from space — a possible sign
of dark matter, the mysterious substance whose
gravity seems to hold our galaxy together.
The work is based on
data gathered by GRAIL (
Gravity Recovery and Interior Laboratory), a pair
of NASA spacecraft that orbited the moon in 2012.
Data from NASA's orbiting Fermi Gamma - ray Space Telescope puts a crimp in particle theorists» favored explanation
of the mysterious stuff whose
gravity holds the galaxies together, ruling out a hefty range
of masses for the hypothesized particles, a team announced this week.
The
data compiled from the survey show that something indeed is distorting the speed
of the galaxies beyond the mere effects
of gravity.
In that time, the craft will get an unprecedented view
of Mercury's pockmarked surface, capturing
data on its
gravity field, crater contents and surface make - up.
The glaciologist was combing through satellite and GPS
data to see what small, local effects could be clouding satellite measurements
of larger changes in Earth's
gravity from ice loss.
The seismographs left on the moon's surface by the Apollo astronauts and the
gravity measurements
of the 1998 Lunar Prospector probe have provided enough
data to explain why there are many more craters on the moon's far side than on the near side.
The strange conclusion is a consequence
of the way in which the
data was analysed with respect to a very specific model
of quantum
gravity, which has fallen out
of favour with some theorists.
Now Laurent and his colleagues have used the combined
data to look for effects
of quantum
gravity.
Race
data also show that Bolt sprang from the starting blocks with an acceleration
of 9.5 meters per second squared — that's almost 0.97 g, the acceleration due to Earth's
gravity — and was churning out a whopping 2.6 kilowatts
of power (3.5 horsepower) less than 1 second later.
Jay Melosh at Purdue University in Indiana and his colleagues were searching
data from NASA's
Gravity Recovery and Interior Laboratory (GRAIL) mission for traces
of underground lava tubes when they came across two large buried craters.
In this study, researchers
of the Royal Observatory
of Belgium show
gravity data from recent Cassini flybys can be explained if Dione's crust floats on an ocean located 100 kilometers below the surface.
An analysis
of gravity and topography
data from Saturn's largest moon, Titan, has revealed unexpected features
of the moon's outer ice shell.
Computer simulations derived from Hubble's
data show that it will take an additional two billion years after the encounter for the interacting galaxies to completely merge under the tug
of gravity and reshape into a single elliptical galaxy similar to the kind commonly seen in the local universe.
For example, in March 2016 NASA released an improved
gravity map
of Mars that in part used
data from MGS.
Bolton says that
data, coupled with measurements
of the planet's
gravity field, differing from projections points toward a planet whose interior has more complexity and motion than anyone would have expected.
Specifically, the ten - meter Keck I telescope, fitted with the HIRES instrument was used to confirm the Kepler
data as well as to more precisely determine the properties
of the star, specifically its temperature, surface
gravity and metallicity.
Like Sirius, however, Altair radiates much more in ultraviolet wavelengths than Sol, and, not surprisingly, the European Space Agency has used ultraviolet spectral flux distribution
data to determine stellar effective temperatures and surface
gravities, including those
of Altair.
Like Sirius, however, Vega radiates much more in ultraviolet wavelengths than Sol, and, not surprisingly, the European Space Agency has used ultraviolet spectral flux distribution
data to determine stellar effective temperatures and surface
gravities, including those
of Vega.
This global map
of the
gravity or Mars is the best one yet made and was created from 16 years» worth
of data from three NASA orbiters around the Red Planet.