Sistema Geocéntrico y Heliocéntrico

https://www.youtube.com/watch?v=u3lbdpyuJLc

https://www.youtube.com/watch?v=EkzotThi9m4&t=4s

https://www.youtube.com/watch?v=b486ymP7SAU

https://www.youtube.com/watch?v=I4oOu8wINas

https://www.youtube.com/watch?v=FZlOHHbUuLc