Mass of Proxima Centauri, nearest star to our Sun

Mass of Proxima Centauri, nearest star to our Sun (244.6 octillion kg)

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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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