Did you know? GDP in Slovenia (2019) (54.2 billion USD p/a) is 2 x GDP in El Salvador (2019) (27.02 billion USD p/a)
Diameter of Triangulum galaxy (568 quadrillion km)
/fact/diameter-of-triangulum-galaxy
Link
If this was a standard unit ...
"This is a fun and riveting book. Written in an accessible and engaging way, it is unputdownable." Frost Magazine
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Click here for Podcast: Andrew Elliott interviewed for New Books Network.