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Einsteins Theory

All articles tagged with #einsteins theory

science1 year ago

New Study Questions Einstein's Relativity with Black Hole Instability

A new study challenges the stability of black holes as described by the Kerr solution, which is based on Einstein's theory of general relativity. The research suggests that black holes may experience internal instabilities due to energy accumulation, potentially altering their structure over time. This finding implies that the Kerr solution may not fully explain black holes, prompting the need for new theoretical models to better understand their dynamics. The study is published in Physical Review Letters.

via Interesting Engineering|
#black-holes#einsteins-theory#general-relativity
science1 year ago

Einstein's Black Hole Predictions Confirmed by 'Plunging Region' Discovery

Researchers at Oxford University have provided the first observational proof of "plunging regions" around black holes, where matter stops orbiting and falls directly into the black hole. Using X-ray data from NASA's NuSTAR and NICER telescopes, the study confirms Einstein's prediction about the behavior of matter near black holes and reveals some of the strongest gravitational forces in the galaxy. The findings, published in the Monthly Notices of the Royal Astronomical Society, mark a significant advancement in understanding black hole dynamics.

via Phys.org|
#astrophysics#black-holes#einsteins-theory
science2 years ago

"Revolutionary Findings: Debunking Newton's and Einstein's Theories with Modified Gravity"

A recent study analyzing the orbital motions of wide binaries has provided conclusive evidence for the breakdown of standard gravity at low accelerations, challenging Newton's and Einstein's theories. The study, which examined data from 26,500 wide binaries, found that accelerations below one nanometer per second squared deviate from the predicted gravitational laws. This discovery aligns with a modified theory called MOND and has significant implications for astrophysics, physics, and cosmology, potentially revolutionizing our understanding of gravity and the need for dark matter.

via SciTechDaily|
#einsteins-theory#modified-gravity#mond
physics2 years ago

Gravity's Surprising Capabilities: From Eliminating Dark Energy to Creating Light

Physicists have explored alternative theories to explain gravity without the need for dark energy, including non-metric gravity, which describes gravity as a deformation of spacetime geometry but differs in the way matter interacts and changes it. Researchers have found that non-metric gravity agrees with astronomical data even better than general relativity and does not require the presence of dark energy. However, further experiments are needed to confirm its viability as an alternative to Einstein's theory.

via Advanced Science News|
#astrophysics#cosmology#dark-energy