Las Cholas de Estrellas

These our citations 

"Rigel." wikipedia . Wikipedia , 11/012/2010. Web. 14 Dec 2010. <http://en.wikipedia.org/wiki/Rigel>."Rigel: Orion’s brightest star.

"Earth Sky a Clear voice for science. Earth Sky a Clear voice for science, 2010. Web. 14 Dec 2010. <http://earthsky.org/brightest-stars/blue-white-rigel-is-orions-brightest-star>.
"
Strange Stuff In Space." Windows to the Universe. N.p., 2010. Web. 16 Dec 2010. <http://www.windows2universe.org/the_universe/Strange.html&edu=high>.

Kaler, James. THE HERTZSPRUNG-RUSSELL (HR) DIAGRAM. N.p., 2010. Web. 16 Dec 2010. <http://stars.astro.illinois.edu/sow/hrd.html>.

"ExploraTour: A Peek into the Lives of the Stars."Windows to the Universe
N.p., 2010. Web. 16 Dec 2010. <http://www.windows2universe.org/cool_stuff/tourstars_1.html&edu=high>.

Harris, Bronwyn . "What is Rigel?." Wise Geek. Michael Anissimov, 26 October 2010 . Web. 16 Dec 2010. <http://www.wisegeek.com/what-is-rigel.htm>.

"Blue Stars." Universe Today . FRASER CAIN , 2010. Web. 16 Dec 2010. <http://www.universetoday.com/24362/blue-stars/>.
"
What are stars made of?." Space Environment. N.p., 2010. Web. 16 Dec 2010. <http://www.qrg.northwestern.edu/projects/vss/docs/space-environment/2-what-are-stars-made-of.html>.

"Rigel." Absolute Astronomy . AbsoluteAstronomy.com, 2010. Web. 16 Dec 2010. <http://www.absoluteastronomy.com/topics/Rigel>.

N.p., 2010. Web. 3 Jan 2011. <http://chandra.harvard.edu/edu/formal/stellar_ev/stellar_ev_flash.html>.

Scale of Earth, Sun, Rigel, and VY Canis Majoris. [full zoom at the end]. 2009, Film. <http://www.youtube.com/watch?v=c8CgDGhYKe8&feature=player_embedded&safety_mode=true&persist_safety_mode=1>.

"Big Bang Theory ." All About Science. N.p., 2010. Web. 3 Jan 2011. <http://www.big-bang-theory.com/>.

"Star." Wikipedia . N.p., 2 January 2011. Web. 3 Jan 2011. <http://en.wikipedia.org/wiki/Star#Main_sequence>.

"Stars." Goddard Space Flight Center. N.p., 28Dec-2010. Web. 3 Jan 2011. <http://imagine.gsfc.nasa.gov/docs/science/know_l2/stars.html>.

"Rigel." Wolfram Alpha . N.p., 2011. Web. 4 Jan 2011. <http://www.stumbleupon.com/su/3qksg7/www.wolframalpha.com/>.