Did you mean: How Are Accretion Disks Made ?
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en.wikipedia.org/wiki/Accretion_disk

An accretion disk is a structure (often a circumstellar disk) formed by diffused material in orbital motion around a massive central body. The central body is ...

www.physicsoftheuniverse.com/topics_blackholes_event.html

Event horizon and accretion disk of a black hole - click for larger version ... However, a rotating black hole (created from the collapse of a rotating star) bulges out ...

www.britannica.com/science/accretion-disk

Accretion disk, a disklike flow of gas, plasma, dust, or particles around any .... Nathan Milstein playing an 18th-century violin made by renowned violin maker ...

www.scholarpedia.org/article/Accretion_discs

Aug 12, 2014 ... Accretion discs are flattened astronomical objects made of rapidly rotating gas which slowly spirals onto a central gravitating body.

stronggravity.eu/public-outreach-tmp/accretion-disks

Artist's drawing of a binary system where a flow of gas from a star creates an accretion disk around a black hole in its center. Click to see the picture animated.

www.einstein-online.info/spotlights/accretion

One possible consequence of this is accretion, the astrophysicists' blanket term for processes in ... This disk made of stellar material orbits the companion star.

www.thephysicsmill.com/2013/11/09/accretion-disk

Nov 9, 2013 ... But why doesn't stuff in the accretion disk just fall into the black hole? ... Newton believed that light was made out of tiny particles called ...

www.astro.utu.fi/~cflynn/astroII/l6.html

If this luminosity is produced as blackbody radiation, then ... Real accretion disks are found to have a fairly large range of exponents a, ranging between 0 to 1, ...

curious.astro.cornell.edu/about-us/86-the-universe/black-holes-and-quasars/general-questions/334-why-are-accretion-disks-flat-intermediate

Jun 27, 2015 ... The material that is feeding the accretion disk usually comes from gas that is orbiting the black hole and therefore already in a flat plane, and ...

curious.astro.cornell.edu/physics/78-the-universe/stars-and-star-clusters/general-questions/331-why-aren-t-accretion-disks-around-giant-stars-as-hot-as-accretion-disks-around-black-holes-advanced

Jun 27, 2015 ... If the accretion disk is made up of material that is very viscous, it will heat up more . As a silly example to make things clear, an imaginary ...