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Datoteka:Accretion disk.jpg

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Sažetak

Opis
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.
Datum (released)
Izvor 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)

Licencija

w:hr:Creative Commons
imenovanje autora
imenovanje autora
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w:hr:Creative Commons
imenovanje autora
This file is licensed under the Creative Commons Attribution 4.0 International license.
Autor: ESA/Hubble
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Opisi

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

Predmeti prikazani u ovoj datoteci

motiv

nastanak

18. studenoga 2002

vrsta medija

image/jpeg

checksum engleski

da19afbdec9668502d387f08435b13e7055edcc4

način određivanja: SHA-1

data size engleski

695.507 Bajt

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2.400 točka

širina

3.000 točka

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Datum/VrijemeMinijaturaDimenzijeSuradnikKomentar
sadašnja17:17, 26. travnja 2019.Minijatura za inačicu od 17:17, 26. travnja 2019.3.000 × 2.400 (679 KB)FriedrichKiefererBetter quality.
01:12, 16. ožujka 2005.Minijatura za inačicu od 01:12, 16. ožujka 2005.3.000 × 2.400 (112 KB)Bebenko~commonswikicopy-paste from english wiki

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