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Beschrijving

Beschrijving
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)
Bron https://hubblesite.org/contents/media/images/2002/30/1273-Image.html
Auteur ESA, NASA, and Felix Mirabel (French Atomic Energy Commission and Institute for Astronomy and Space Physics/Conicet of Argentina)

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Dit bestand, dat oorspronkelijk toegevoegd was op Hubble Site, werd op 17 mei 2020 beoordeeld door de moderator of reviewer Green Giant, die bevestigt dat dit bestand beschikbaar was onder de vermelde licentie op die datum.

Bijschriften

Beschrijf in één regel wat dit bestand voorstelt
Artist's View of Black Hole and Companion Star GRO J1655-40

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huidige versie26 apr 2019 17:17Miniatuurafbeelding voor de versie van 26 apr 2019 17:173.000 × 2.400 (679 kB)FriedrichKiefererBetter quality.
16 mrt 2005 01:12Miniatuurafbeelding voor de versie van 16 mrt 2005 01:123.000 × 2.400 (112 kB)Bebenko~commonswikicopy-paste from english wiki

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