The moon is approximately (it varies) 1.3 light seconds away, i.e. a 2.6 second round trip, and optical links can have very high data rates. You could fit quite a lot of data on there! (Edit: although maybe the data rate won't be so high at these distances)
Toasts:
- https://maxschmitt.me/posts/toasts-bad-ux
- https://youtu.be/LeCKu0HqGFQ?si=xKApVFSqdzLGF0SD
Modals (being a special case of modes):
- https://modalzmodalzmodalz.com/
Modes:
- https://www.nngroup.com/articles/modes/
- https://ilyabirman.net/meanwhile/all/timed-modes/
What else?