With the recent launch of Artemis II, the first manned mission to the moon in 53 years, I wanted to take the opportunity to talk about the actual scale of space. We have all seen so many images of the solar system that are scaled for presentation that I'm afraid we've lost any sense of an accurate model for how immense space actually is. To scale it down to a manageable size, if the Earth was the size of a basketball the moon would be the size of a tennis ball. How far apart should they be in this model? The answer might surprise you!