04-17-2009, 07:05 PM
عجالتاً دوتا لينك بسيار مفيد...
http://astro.berkeley.edu/~mwhite/darkmatter/dm.html
http://en.wikipedia.org/wiki/Dark_Matter
http://astro.berkeley.edu/~mwhite/darkmatter/dm.html
http://en.wikipedia.org/wiki/Dark_Matter
Science is a way of trying not to fool yourself. The first principle is that you must not fool yourself, and you are the easiest person to fool. Richard Feynman