https://www.khanacademy.org/science/cosmology-and-astronomy/universe-scale-topic/scale-small-large-tutorial/v/scale-of-the-large https://www.khanacademy.org/sci

https://www.khanacademy.org/science/cosmology-and-astronomy/universe-scale-topic/scale-small-large-tutorial/v/scale-of-the-large https://www.khanacademy.org/science/cosmology-and-astronomy/... have also done a good video on the scale of small and large, and putting the size of space into perspective, its pretty good.