Gravity
NASA-NOAA satellite finds overshooting tops, gravity waves in Tropical Storm Nestor  PHYS.ORG · 13 hours
NASA-NOAA's Suomi NPP satellite provided night-time and infrared views of developing Tropical Storm Nestor in the Gulf of Mexico and found over-shooting cloud tops and gravity... more
Researchers probe features of star clusters surrounding supermassive black holes  PHYS.ORG · 3 days
At the center of the galaxy, millions of stars whirl in orbits around a supermassive black hole. This circuit can take anywhere from a few hours for stars... more
Soft nanocomposite electroadhesives for digital micro- and nanotransfer printing  Science Magazine · 1 week
Automated handling of microscale objects is essential for manufacturing of next-generation electronic systems. Yet, mechanical pick-and-place technologies cannot manipulate smaller objects whose surface forces dominate over gravity, and emerging microtransfer... more
Researchers Measure Pressure in Solar System’s Heliosheath  SCI-NEWS.COM · 1 week
Using data from NASA’s Voyager spacecraft, a team of scientists has calculated the total pressure from particles in the outer region of... more
Foust Forward | Zero gravity requires a lot of patience  SPACE NEWS · 2 weeks
For decades, the space community has sought the “killer app” for microgravity research: the project that,... more
Interference of clocks: A quantum twin paradox  Science Magazine · 2 weeks
The phase of matter waves depends on proper time and is therefore susceptible to special-relativistic (kinematic) and gravitational (redshift) time dilation. Hence, it is conceivable that atom interferometers measure general-relativistic time-dilation effects. In contrast... more
This is how a 'fuzzy' universe may have looked  PHYS.ORG · 2 weeks
Dark matter was likely the starting ingredient for brewing up the very first galaxies in the universe. Shortly after the Big Bang, particles of dark matter would have clumped together... more
Physicists Search Universe for Evidence That a Fundamental Force of Nature Is Out of Whack  LIVE SCIENCE · 2 weeks
Physicists are scouring the universe for evidence that one of the fundamental constants of nature, Newton's gravity, is... more
NASA-NOAA's Suomi NPP analyzes record-setting hurricane Lorenzo  PHYS.ORG · 3 weeks
Over the weekend of Sept. 28 and 29, Hurricane Lorenzo attained Category 5 strength briefly, becoming the strongest hurricane on record in the eastern-most Atlantic Ocean. Lorenzo has also attained and contributed to some... more
A different kind of gravitational wave detector  PHYS.ORG · 3 weeks
Hidden deep in a basement at Stanford stands a 10-meter-tall tube, wrapped in a metal cage and draped in wires. A barrier separates it from the main room, beyond which the cylinder spans three... more
A black hole's warped world  SCIENCE DAILY · 3 weeks
A new visualization of a black hole illustrates how its gravity distorts our view, warping its surroundings as if viewed in a funhouse mirror. more
NASA visualization shows a black hole's warped world  PHYS.ORG · 3 weeks
This new visualization of a black hole illustrates how its gravity distorts our view, warping its surroundings as if seen in a carnival mirror. The visualization simulates the appearance of a black... more
Theory proposes that LIGO/Virgo black holes originate from a first order phase transition  PHYS.ORG · 4 weeks
A few years ago, the LIGO/Virgo collaboration detected gravitational waves arising from a binary black hole merger using the two detectors of... more
Satellite testing of a gravitationally induced quantum decoherence model  Science Magazine · 1 month
Quantum mechanics and the general theory of relativity are two pillars of modern physics. However, a coherent unified framework of the two theories still remains an open problem. Attempts to... more
Pulsating gamma rays from neutron star rotating 707 times a second  PHYS.ORG · 1 month
An international research team led by the Max Planck Institute for Gravitational Physics (Albert Einstein Institute; AEI) in Hannover has discovered that the radio pulsar J0952-0607... more
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Researchers probe features of star clusters surrounding supermassive black holes
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