Royal Observatory Greenwich astronomer Liz explains the size of the universe, using animation and analogies to make sense of the incredible distances that we deal with when we talk about the cosmos.

The combination of Liz's clever wit and lucid explanations with the whimsical animations makes this surprisingly watchable. Some great execution on the part of London animation studio Beakus.

Complement with these great little animated cosmology explainers by Zogg from Betelguese:

H/t Laughing Squid