A million million million million (1 with twenty-four zeros after it) miles, the size of the observable universe.


A Briefer History of Time: The Science Classic Made More Accessible (ed. Bantam, 2007) - ISBN: 9780307417848

Stephen Hawking Quotes

A million million million million (1 with twenty-four zeros after it) miles, the size of the observable universe.

A million million million million (1 with twenty-four zeros after it) miles, the size of the observable universe.

A million million million million (1 with twenty-four zeros after it) miles, the size of the observable universe.

A million million million million (1 with twenty-four zeros after it) miles, the size of the observable universe.