02-01-2010, 09:37 PM
بسيار عالي. ممنون. بايد كتاب جالبي باشه. چون منبع درمورد تاريخ نجوم به فارسي كم داريم.
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