If Speed of Sun's motion through space (828,000 km/h) was a standard unit ...
Speed of a bullet (3,300 km/h)...more would be 1/250 of Speed of Sun's motion through space
Speed of Earth's rotation around its own axis, at ground level at the equator (1,675 km/h)...more would be 1/500 of Speed of Sun's motion through space
Read all about it!
Is That a Big Number? - the book - is now available from all good booksellers.
"This is a fun and riveting book. Written in an accessible and engaging way, it is unputdownable." Frost Magazine
