I mean it would have been fine to leave it out as the moon is not that close see Fig A: <a href="https://lh6.googleusercontent.com/-3gl68xQi2vA/Ufa75Wo2ihI/AAAAAAAAAXg/PBeLvzZG9tE/earth_moon_scale_size_distance-fjs-1920x1080.jpg" rel="nofollow noopener" target="_blank">https://lh6.googleusercontent.com/-3gl68xQi2vA/Ufa75Wo2ihI/AAAAAAAAAXg/PBeLvzZG9tE/earth_moon_scale_size_distance-fjs-1920x1080.jpg</a>
James Rowe
2018-04-25 16:19:18 +0000 UTC
It is stuff like this that gives me goose bumps. So awesome!