ཁེབ་ལར་གྱི་གཏན་ཁྲིམས།
phys. Law 1: The path of each planet around the Sun is an ellipse with the Sun at one focus. Law 2: The line from the Sun to any planet […]
phys. Law 1: The path of each planet around the Sun is an ellipse with the Sun at one focus. Law 2: The line from the Sun to any planet […]