“Four Basic Forces, Strong, Weak, Electromagnetic and Gravitational:” Four Basic Forces, Strong, Weak, Electromagnetic and Gravitational: Web. 07 Feb. 2016.

“Beta Decay.” Beta Decay. N.p., n.d. Web. 08 Feb. 2016.

Trefil, James. Space Atlas: Mapping the Universe and beyond. Washington,DC: National Geographic, n.d. Print.

Couper, Heather, Robert Dinwiddie, John Farndon, Nigel Henbest, David W. Hughes, Giles Sparrow, Carole Stott, and Colin Stuart. The Planets. New York,NY: DK, …..2014. Print.

Hawking, Stephen. The Illustrated A Brief History of Time. New York: Bantam, 1996. Print.



Our Beautiful Planet. Web. 11 Feb. 2016.

Pulsar Encased In Supernova Bubble. ESA Space in Images. Web. 11 Feb. 2016.

Mars Facts. Web. 11 Feb. 2016. <;.

Dark Matter Halos. Web. 11 Feb. 2016. <;.

Dark-matter-filaments. Web. 11 Feb. 2016. <;.

Dark Matter. Dark Matter. Web. 11 Feb. 2016. <;.

Sun Emits a Mid-level Flare. Web. 11 Feb. 2016. <;.

Main Sequence Basic Parts Of a Star. Web. 11 Feb. 2016. <;.

“Pics about Space.” Slowing Time Black Hole. Web. 11 Feb. 2016. <;.

“Spacetime Geometry around Two Black Holes.” General Relativity. Web. 11 Feb. 2016.