Test Yourself

Which of these is the biggest? ...

Distance to Proxima Centauri (nearest star to the Earth) ...

Distance to the Oort Cloud ...

Distance to Sirius (brightest star in the night sky) ...

A parsec ...

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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