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Current Gravity News and Events

Current Gravity News and Events, Gravity News Articles.
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Hello, world! A new approach for physics in de sitter space
For decades, physicists have been attempting to reconcile quantum mechanics, the physics of the very small, with gravity, the physics of the very large. (2019-09-17)
WVU astronomers help detect the most massive neutron star ever measured
West Virginia University researchers have helped discover the most massive neutron star to date, a breakthrough uncovered through the Green Bank Telescope. (2019-09-16)
Most massive neutron star ever detected, almost too massive to exist
Astronomers using the GBT have discovered the most massive neutron star to date, a rapidly spinning pulsar approximately 4,600 light-years from Earth. (2019-09-16)
NASA's Hubble finds water vapor on habitable-zone exoplanet for 1st time
With data from the Hubble Space Telescope, water vapor has been detected in the atmosphere of a super-Earth with habitable temperatures. (2019-09-11)
A Goldilocks zone for planet size
Harvard University researchers described a new, lower size limit for planets to maintain surface liquid water for long periods of time, extending the so-called Habitable or 'Goldilocks'' Zone for small, low-gravity planets. (2019-09-11)
First 'overtones' heard in the ringing of a black hole
By listening for specific tones in the gravitational waves of black hole mergers, researchers are putting Albert Einstein's theories to new tests. (2019-09-11)
Space dragons: Researchers observe energy consumption in quasars
Researchers, for the first time, have observed the accelerated rate at which eight quasars consume interstellar fuel to feed their black holes. (2019-09-04)
Researchers develop technique to de-ice surfaces in seconds
Airplane wings, wind turbines and indoor heating systems all struggle under the weight and chill of ice. (2019-09-03)
Defrosting surfaces in seconds
Researchers have developed a way to remove ice and frost from surfaces extremely efficiently, using less than 1% of the energy and less than 0.01% of the time needed for traditional defrosting methods. (2019-08-30)
Physicists mash quantum and gravity and find time, but not as we know it
A University of Queensland-led international team of researchers say they have discovered ''a new kind of quantum time order''. (2019-08-25)
Quantum gravity's tangled time
The theories of quantum mechanics and gravity are notorious for being incompatible, despite the efforts of scores of physicists over the past fifty years. (2019-08-22)
Black hole holograms
Japanese researchers show how a holographic tabletop experiment can be used to simulate the physics of a black hole. (2019-08-19)
Lab-based dark energy experiment narrows search options for elusive force
An experiment to test a popular theory of dark energy has found no evidence of new forces, placing strong constraints on related theories. (2019-08-19)
A key piece to understanding how quantum gravity affects low-energy physics
In a new study, led by researchers from SISSA (Scuola Internazionale Superiore di Studi Avanzati), the Complutense University of Madrid and the University of Waterloo, a solid theoretical framework is provided to discuss modifications to the Unruh effect caused by the microstructure of space-time. (2019-08-08)
ALMA dives into black hole's 'sphere of influence'
ALMA has made the most precise measurements of cold gas swirling around a supermassive black hole -- the cosmic behemoth at the center of the giant elliptical galaxy NGC 3258. (2019-08-07)
Researchers embrace imperfection to improve biomolecule transport
While watching the production of porous membranes used for DNA sorting and sequencing, University of Illinois researchers wondered how tiny steplike defects formed during fabrication could be used to improve molecule transport. (2019-08-05)
When plant roots learned to follow gravity
Highly developed seed plants evolved deep root systems that are able to sense Earth's gravity. (2019-08-02)
Hubble uncovers a 'heavy metal' exoplanet shaped like a football
How can a planet be 'hotter than hot?' The answer is when heavy metals are detected escaping from the planet's atmosphere, instead of condensing into clouds. (2019-08-01)
Gravity changes mass of muscles and bones, which was experimentally observed in space
An international collaboration led by scientists mainly at Tokyo University of Agriculture and Technology (TUAT) , Japan, has found that bone and muscle mass are regulated by the altered gravity. (2019-07-25)
Einstein's general relativity theory is questioned but still stands for now, team reports
More than 100 years after Albert Einstein published his iconic theory of general relativity, it's beginning to fray at the edges, said Andrea Ghez, UCLA professor of physics and astronomy. (2019-07-25)
A test of general relativity at the galaxy's center suggests Einstein's theory still holds
In a detailed study of a star orbiting the supermassive black hole at the center of our galaxy, researchers report that Einstein's theory of general relativity (GR) accurately describes the behavior of light struggling to escape the gravity around this massive structure. (2019-07-25)
Red wine's resveratrol could help Mars explorers stay strong, says Harvard study
Mars is about 9 months from Earth with today's tech, NASA reckons. (2019-07-18)
Drinking red wine on the red planet
BIDMC researchers report that a daily moderate dose of resveratrol significantly preserved muscle function and mitigated muscle atrophy in an animal model mimicking Mars' partial gravity. (2019-07-18)
'Curvy bacteria' weigh the benefits of different shapes
Research by scientists into why some bacteria have different shapes has found that a curved shape can make it easier to find food. (2019-07-08)
Supercomputer shows 'Chameleon Theory' could change how we think about gravity
Supercomputer simulations of galaxies have shown that Einstein's theory of General Relativity might not be the only way to explain how gravity works or how galaxies form. (2019-07-08)
The first AI universe sim is fast and accurate -- and its creators don't know how it works
For the first time, astrophysicists have used artificial intelligence techniques to generate complex 3D simulations of the universe. (2019-06-26)
SwRI-led team studies binaries to make heads or tails of planet formation
A Southwest Research Institute-led team studied the orientation of distant solar system bodies to bolster the 'streaming instability' theory of planet formation. (2019-06-25)
Solving a condensation mystery
Dropwise condensation on liquid infused surfaces presented a mystery: what's causing the movement of water droplets? (2019-06-25)
Frozen sperm retains its viability in outer space conditions
Zillionaires like Amazon founder Jeff Bezos who see the 'colonization' of space as an answer to the Earth's ever threatened resources will be reassured to learn that human sperm retains its complete viability within the different gravitational conditions found in outer space. (2019-06-23)
Researchers find quantum gravity has no symmetry
Using holography, researchers have found when gravity is combined with quantum mechanics, symmetry is not possible. (2019-06-19)
UTMB researchers learned how to better combat muscle loss during space flights
A new study from The University of Texas Medical Branch at Galveston has further documented how muscles are affected by reduced gravity conditions during space flight missions and uncovered how exercise and hormone treatments can be tailored to minimize muscle loss for individual space travelers. (2019-06-13)
Mass anomaly detected under the moon's largest crater
A mysterious large mass of material has been discovered beneath the largest crater in our solar system -- the Moon's South Pole-Aitken basin -- and may contain metal from the asteroid that crashed into the Moon and formed the crater, according to a Baylor University study. (2019-06-10)
A new candidate for dark matter and a way to detect it
Two theoretical physicists at UC Davis have a new candidate for dark matter and a possible way to detect it. (2019-06-10)
Jumping drops get boost from gravity
'It turns out that surface tension and gravity work far better together than either works on its own.' (2019-05-28)
GRACE data contributes to understanding of climate change
The University of Texas at Austin team that led a twin satellite system launched in 2002 to take detailed measurements of the Earth, called the Gravity Recovery and Climate Experiment (GRACE), reports in the journal Nature Climate Change on the contributions that their nearly two decades of data have made to our understanding of global climate patterns. (2019-05-23)
Space travel and your joints
A novel Henry Ford Hospital study of mice aboard a Russian spaceflight may raise an intriguing question for the astronauts of tomorrow: Could traveling in space be bad for your joints? (2019-05-21)
Development of a displacement sensor to measure gravity of smallest source mass ever
One of the most unknown phenomena in modern physics is gravity. (2019-05-17)
Small, hardy planets most likely to survive death of their stars
Small, hardy planets packed with dense elements have the best chance of avoiding being crushed and swallowed up when their host star dies, new research from the University of Warwick has found. (2019-05-14)
GRACE mission data contributes to our understanding of climate change
Intended to last just five years in orbit on an experimental mission to measure changes in the Earth's gravitational fields, GRACE lasted over 15 years, providing unique insight into our global water resources, more accurate measurements of polar ice loss, ocean currents and the rise in global sea levels. (2019-04-29)
Hubble snaps a crowded cluster
This sparkling burst of stars is Messier 75. It is a globular cluster: a spherical collection of stars bound together by gravity. (2019-04-26)
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