Can you make a black hole out of light? Learn about the strange theoretical object called the ‘Kugelblitz’.
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Sources:
http://www.wolframalpha.com/input/?i=mass+of+earth
astronomy.swin.edu.au/cosmos/S/Schwarzschild+Radius
https://en.wikipedia.org/wiki/Orders_of_magnitude_%28length%29
https://en.wikipedia.org/wiki/Orders_of_magnitude_%28energy%29
https://en.wikipedia.org/wiki/Orders_of_magnitude_%28mass%29
http://www.wolframalpha.com/input/?i=%288*10^-3+meters%29*%28speed+of+light^4%29%2F%282*gravitational+constant%29
http://cse.ssl.berkeley.edu/chips_epo/EducationBrief/CHIPS-Educational_Brief.htm
http://www.wolframalpha.com/input/?i=2*%28gravitational+constant%29*%285.2*10^7+kg%29%2F%28speed+of+light^2%29
http://www.wolframalpha.com/input/?i=proton+radius
http://csep10.phys.utk.edu/astr162/lect/cosmology/planck.html
http://www.markchirnside.co.uk/index-inside.htm
http://journals.aps.org/pr/abstract/10.1103/PhysRev.97.511
Image Links:
https://commons.wikimedia.org/wiki/File:Black_Hole_Milkyway.jpg
https://commons.wikimedia.org/wiki/File:Titanic-Cobh-Harbour-1912.JPG
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