In astrophysics, the ergosphere is a region located outside a rotating black hole's outer event horizon. Its name was proposed by Remo Ruffini and John...

extracted from a rotating black hole. The process takes advantage of the ergosphere – a region of spacetime around the black hole dragged by its rotation...

radiation can escape normally from the ergosphere. Through the Penrose process, objects can emerge from the ergosphere with more energy than they entered...

an ergosphere outside the event horizon, in which spacetime itself begins to rotate, in a phenomenon known as frame-dragging. Since the ergosphere is...

for the wormhole and a rotating, supermassive black hole (possessing an ergosphere, as opposed to a non-rotating black hole), Thorne collaborated with Franklin...

rotate with the black hole; the region where this holds is called the ergosphere. The light from distant sources can travel around the event horizon several...

rotating black holes where, for any object entering a zone known as the ergosphere, rotation is inevitable. Such effects can again be tested through their...

This can happen through the Penrose process inside the black hole's ergosphere, in the volume outside its event horizon. In some cases of energy extraction...

forces produced by the Lense–Thirring effect (frame dragging) within the ergosphere of rotating black holes combined with the energy extraction mechanism...

the original on 2011-11-18. Retrieved 2010-03-10. "The glossary". The Ergosphere. 2005-05-12. Archived from the original on 2010-02-07. Retrieved 2010-03-10...

types include: The Cauchy and Killing horizons. The photon spheres and ergospheres of the Kerr solution. Particle and cosmological horizons relevant to...

Event horizons and ergospheres of a rotating black hole; the ringularity is located at the equatorial kink of the inner ergosphere at R=a....

{\displaystyle {\rm {\{r,\theta ,\phi \}}}} positions (the speed of light at the ergosphere) ν = g t ϕ   g t ϕ = − a 2   sin 2 ⁡ θ   [ a 2   Λ ( a 2 + r 2 ) cos 2...

been connected to the SERN network without them knowing. 12 "Dogma in Ergosphere" Transliteration: "Seishi Genkai no Doguma" (Japanese: 静止限界のドグマ) June 22...

Leibniz-Informationszentrum Wirtschaft, May 5, 2004, No. 11. Engineer-Poet. Ergosphere Blog, Zinc: Miracle metal? Archived August 14, 2007, at the Wayback Machine...

ring-shaped object. This results in two event horizons, as well as an ergosphere, which draw closer together as the spin of the singularity increases....

a spinning black hole is surrounded by a region of space, called the ergosphere, within which standing still (with respect to the black hole's spin) is...

Theorems Event horizon Photon sphere Innermost stable circular orbit Ergosphere Penrose process Blandford–Znajek process Accretion disk Hawking radiation...

larger than the power output extracted directly from the hole, through its ergosphere. Hence, the presence (or not) of a poloidal magnetic field around the...

Kerr–Newman metric contain Killing horizons, which can coincide with their ergospheres. For this spacetime, the corresponding Killing horizon is located at...

this step with g t t {\displaystyle g_{tt}} gives the inner and outer ergosphere r E ± = r s 2 ± r s 2 4 − a 2 cos 2 ⁡ θ − r Q 2 . {\displaystyle r_{\text{E}}^{\pm...

Theorems Event horizon Photon sphere Innermost stable circular orbit Ergosphere Penrose process Blandford–Znajek process Accretion disk Hawking radiation...

Erbium-doped waveguide amplifier Erdal İnönü Erect image Erg Ergodic hypothesis Ergosphere Eric Allin Cornell Eric Fawcett Eric Isaacs Eric Kandel Eric Lerner Eric...

story "Pilot", a spaceship extracts energy from a rotating black hole's ergosphere to widen its event horizon and cause a pursuer to fall into it. Black...

Quantum gravity Visser, Matt (1998). "Acoustic black holes: Horizons, ergospheres and Hawking radiation". Classical and Quantum Gravity. 15 (6): 1767–1791...

Theorems Event horizon Photon sphere Innermost stable circular orbit Ergosphere Penrose process Blandford–Znajek process Accretion disk Hawking radiation...

causes the space within an oblate spheroid-shaped volume, called the "ergosphere", to be dragged around with the black hole. Mass falling into this volume...

BTZ black hole contains an inner and an outer horizon, analogous to an ergosphere. Since (2+1)-dimensional gravity has no Newtonian limit, one might fear[why...

M–sigma relation Event horizon Quasi-periodic oscillation Photon sphere Ergosphere Hawking radiation Penrose process Bondi accretion Spaghettification Gravitational...

Theorems Event horizon Photon sphere Innermost stable circular orbit Ergosphere Penrose process Blandford–Znajek process Accretion disk Hawking radiation...