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White hole
{{nosources|date=May 2014}}
[[Image:Wormhole-demo.png|thumb|250px|A wormhole:<br />Green - short way through wormhole<br />Red - long way through normal space]]
In [[astropTheoretical Physics]], a '''white hole''' is the opposite of a [[black hole]]. Where a black hole attracts and sucks in any nearby [[matter]], a white hole does the opposite and pushes nearby matter away. But, According to the laws of Thermodynamics, The amount of entropy in the universe can only stay constant or increase. In case of a white hole, entropy tends to decrease so it can not be considered as a possibility with our present understanding of Energy. (see diagram).

(contracted; show full)*[[Wormhole]]

== References ==
* [http://io9.com/5805202/mysterious-cosmic-explosion-might-be-first-ever-proof-of-white-holes io9. io9, 25 May 2011. Web. 6 Nov. 2012.]
* [http://curious.astro.cornell.edu/question.php?number=108 Masters, Karen. "What is a White Hole?" Curious About Astronomy. Cornell University, 26 Oct. 2003. Web. 16 Oct. 2012.]

[[Category:Astrophysics]]
[[Category:Astronomical objects]]