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The luminosity of a black body is given by the Stefan-Boltzmann formula:
: Stefan-Boltzmann constant;
A: Surface area of the black body
T: Temperature in Kelvin
1st: The relevant surface area for the Hawking radiation is the surface area of a sphere with the radius of the Schwarzschild radius, because that's where the radiation originates:
A sphere
By Team C007571, ThinkQuest 2000.
We can substitute this in the formula for the luminosity:
2nd: We have already calculated the temperature of a black hole:
Putting this into the formula for the luminosity we get:
Some example calculationsA black hole the mass of the EarthThe luminosity of a black hole with the mass of the Earth equals:
Black hole in "The Hole Man"The luminosity of the black hole in "The Hole Man":
35.7 gigawatts of hard gamma-radiation would certainly be absolutely deadly!
Black hole with the Luminosity of the sunThe Sun
Courtesy of NASA.
Nix NASA Image Eechange
GRC Number: C-82-6709
Date Archived: 11/22/1982
How heavy will be a black hole with the luminosity of the sun?
A black hole of only 961kg of mass would have the same luminosity as the sun. And it would only be across! (diameter of the Schwarzschild radius). This black hole wouldn't be visible though, because it emits deadly gamma-radiation.
What else can I help you with?
How does North America manage its resources?
badly, through exploitation and nominal attempts at preservation
What is the development viewpoint toward the environment the preservation viewpoint and the conservation viewpoint?
The development viewpoint sees the environment as a resource to be exploited for economic growth. The preservation viewpoint emphasizes protecting nature regardless of its utility. The conservation viewpoint aims to sustainably manage natural resources for current and future generations.
What is cultural preservation?
cultural preservation is unique and irreplaceable, which places the responsibility of preservation on the current generation.
Why is preservation is important?
important of ph in fruit preservation
Is preservation a verb?
No, preservation is a noun, the verb is "to preserve"
How can a litigation hold situation affect business?
Litigation hold demands that relevant documents be preserved for an unknown period of time. If the organization can differentiate between control and preservation, it can efficiently use eDiscovery systems to manage the preservation part. Enforcing a companywide policy that clearly states what should be kept or not kept can save the business a lot of time and resources. If businesses end up only working towards document preservation, then its business value towards customer may diminish.
What is ingredients for meat preservation?
the ingredients of meat preservation is meat
What are the concepts of food preservation?
food preservation is a preserved food
When was Preservation Action created?
Preservation Action was created in 1974.
What is National Preservation's population?
The population of National Preservation is 11.
When was Heritage Preservation created?
Heritage Preservation was created in 1973.
What is the sentence for preservation?
You have no Idea. preservation is not done like this.
