Hi,
I want to share this YouTube playlist about scales of space and time that has some old classic videos and some more recent ones:
www.youtube.com/playlist
Here is a draft article where I explain the process that led me to create this playlist: Space and Time Scales: A Big History YouTube Playlist
I have used it for lesson 1.1 of the Big History course: https://www.oerproject.com/Big-History/Unit-1/1-1-Scale
I hope you find it fun and useful,
Gustavo Lau
PS: I also used this website: www.jpl.nasa.gov/.../