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Science
Iconic first image of black hole holds up to scrutiny
Independent reanalysis of Event Horizon Telescope data confirms the iconic M87* black hole ring is real, not an imaging artifact.
General Relativity
9 trends tracked about this subject — the full history, oldest to newest below.
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Science
Einstein's equations reveal how gravity could break, reconnect, and release energy
Physicists Luca Comisso and Felipe A. Asenjo calculate that Einstein's equations allow gravitational fields to break and reconnect like solar magnetic fields, a process they call gravitational reconnection that could transfer energy to matter.
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Science
Physicist claims time travel can only take us to the future
A physicist's mathematical proof suggests certain spacetimes fundamentally forbid backward time travel, limiting temporal movement to the future only.
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Science
Einstein’s Equations Reveal an Unusual New Way Space-Time Can Transfer Energy
Einstein's equations reveal an unusual new way space-time can transfer energy, according to recent science coverage.
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Science
Black holes spinning near maximum rate could split in two, calculations suggest
Calculations suggest that black holes spinning near their maximum possible rate could split into two separate entities.
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Science
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Do black holes have hidden hair? Scientists find a new way to check
Physicists have developed a new method to detect black hole 'hair' by analyzing the ringdown waveforms of gravitational waves.
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Science
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Observation of the quantum phase of free fall and the consistency with the equivalence principle
Researchers have observed the quantum phase of free fall, providing new data on the consistency of the equivalence principle in quantum systems.
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Science
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Frame-dragging observations validate Einstein yet again
New high-precision observations of the frame-dragging effect have provided further validation for Albert Einstein's theory of relativity.
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Science
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Black hole's 'point of no escape' studied with the loudest gravitational waves ever heard
Physicists are analyzing the loudest gravitational wave signal ever recorded to study the event horizons of black holes.