Citations:
"Stars." - Introduction. N.p., n.d. Web. 31 Jan. 2013.
Kaler, Jim. "Polaris." Polaris. N.p., n.d. Web. 04 Feb. 2013."Origins of the Universe." National Geographic. N.p., n.d. Web. 07 Feb. 2013.
09.28.04, Posted. "History of the Universe." PBS. PBS, 09 Jan. 0000. Web. 07 Feb. 2013.
"Diagram of a Solar-Type Star." Diagram of a Solar-Type Star. N.p., n.d. Web. 07 Feb. 2013.
"Hubblecast 52: The Death of Stars." Www.spacetelescope.org. N.p., n.d. Web. 07 Feb. 2013.
Kaler, Jim. "Polaris." Polaris. N.p., n.d. Web. 04 Feb. 2013."Origins of the Universe." National Geographic. N.p., n.d. Web. 07 Feb. 2013.
09.28.04, Posted. "History of the Universe." PBS. PBS, 09 Jan. 0000. Web. 07 Feb. 2013.
"Diagram of a Solar-Type Star." Diagram of a Solar-Type Star. N.p., n.d. Web. 07 Feb. 2013.
"Hubblecast 52: The Death of Stars." Www.spacetelescope.org. N.p., n.d. Web. 07 Feb. 2013.