Our ancestors lived out of doors. They were as familiar with the night sky as most of us are with our favorite television programs.


Pale Blue Dot: A Vision of the Human Future in Space (ed. Ballantine Books, 2011) - ISBN: 9780307801012

Carl Sagan Quotes

Our ancestors lived out of doors. They were as familiar with the night sky as most of us are with our favorite television programs.

Our ancestors lived out of doors. They were as familiar with the night sky as most of us are with our favorite television programs.

Our ancestors lived out of doors. They were as familiar with the night sky as most of us are with our favorite television programs.

Our ancestors lived out of doors. They were as familiar with the night sky as most of us are with our favorite television programs.