"The number of stars making up the Milky Way is about 10¹¹ or something like the number of raindrops falling in Hyde Park in a day’s heavy rain." Sir Jack Balwin

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Enter the ratio you're interested in:

Try ratios like: '1 : 10', '5 to 6', '10' (will be taken as 10 : 1), '1000000'

What does a ratio of 1000 : 1 look like?

Length of the Amazon River (6,990 km)...

: Length of the longest canal tunnel (Rove Tunnel in France) (7.12 km) ...

Length of the Champs Elysee (1.9 km)...

: Length of a standard bed (1.9 m) ...

Highest ascent by a propellor-driven aircraft (2001) (29.52 km)...

: Height of the `Christ the Redeemer` statue in Rio de Janeiro (30 m) ...

Direct distance from Cape Town to Cairo (7,250 km)...

: Length of the longest canal tunnel (Rove Tunnel in France) (7.12 km) ...

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

Click here to learn more about it.

Click here for Podcast: Andrew Elliott interviewed for New Books Network.

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