At Westonci.ca, we connect you with the best answers from a community of experienced and knowledgeable individuals. Connect with a community of experts ready to help you find solutions to your questions quickly and accurately. Our platform offers a seamless experience for finding reliable answers from a network of knowledgeable professionals.

What was the significance of the notch and pin on the Antikythera mechanism gears?
a. to allow for a gear to have variable rotation speed and account for the varying orbital speed of the Moon
b. to allow for a gear to have variable rotation speed and account for the retrograde motion of Mars
c. to allow for the prediction of solar eclipses
d. to measure the angular difference between Sun and Moon