BLACK HOLES. (2005, July 31). Retrieved May 7, 2025, from http://www.essayworld.com/essays/BLACK-HOLES/30906
"BLACK HOLES." Essayworld.com. Essayworld.com, 31 Jul. 2005. Web. 7 May. 2025. <http://www.essayworld.com/essays/BLACK-HOLES/30906>
"BLACK HOLES." Essayworld.com. July 31, 2005. Accessed May 7, 2025. http://www.essayworld.com/essays/BLACK-HOLES/30906.
"BLACK HOLES." Essayworld.com. July 31, 2005. Accessed May 7, 2025. http://www.essayworld.com/essays/BLACK-HOLES/30906.