Ficheru:Accretion disk.jpg

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Descripción
English: Artist's rendition of a black hole with an orbiting companion star that overflows its Roche lobe. Mass from the companion star is drawn towards the black hole, forming an accretion disk. GRO J1655-40 is the second so-called 'microquasar' discovered in our Galaxy. Microquasars are black holes of about the same mass as a star. They behave as scaled-down versions of much more massive black holes that are at the cores of extremely active galaxies, called quasars. Astronomers have known about the existence of stellar-mass black holes since the early 1970s. Their masses can range from 3.5 to approximately 15 times the mass of our Sun. Using Hubble data, astronomers were able to describe the black-hole system. The companion star had apparently survived the original supernova explosion that created the black hole. It is an aging star that completes an orbit around the black hole every 2.6 days. It is being slowly devoured by the black hole. Blowtorch-like jets (shown in blue) are streaming away from the black-hole system at 90 percent of the speed of light.
Data (released)
Fonte https://hubblesite.org/contents/media/images/2002/30/1273-Image.html
Autor ESA, NASA, and Felix Mirabel (French Atomic Energy Commission and Institute for Astronomy and Space Physics/Conicet of Argentina)

Llicencia

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Este archivo está disponible bajo la licencia Creative Commons Atribución 4.0 Internacional.
Reconocimientu: ESA/Hubble
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Este archivo, el cual fue publicado originalmente en Hubble Site, fue revisado el 17 May 2020 por el revisor Green Giant, quien confirmó que en esa fecha estaba disponible bajo la licencia indicada.

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Artist's View of Black Hole and Companion Star GRO J1655-40

Elementos representados en este archivo

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tipo de archivo español

image/jpeg

suma de verificación español

da19afbdec9668502d387f08435b13e7055edcc4

métodu de determinación: SHA-1 español

tamaño de los datos español

695 507 Byte

altor

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anchor

3000 píxel

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Data/HoraMiniaturaDimensionesUsuariuComentariu
actual15:17 26 abr 2019Miniatura de la versión a fecha de 15:17 26 abr 20193000 × 2400 (679 kB)FriedrichKiefererBetter quality.
23:12 15 mar 2005Miniatura de la versión a fecha de 23:12 15 mar 20053000 × 2400 (112 kB)Bebenko~commonswikicopy-paste from english wiki

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