Audio Books
Pale Blue Dot: A Vision of the Human Future in Space
Carl Sagan (Paperback) Ballantine Books 1997-09-08
Release date: 1997-09-08
Price:
$16.00
This is taken from the audio book.
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the blackbird sings: A Pale Blue Dot (Carl Sagan)
, This book is fascinating. It covers hundreds of different subjects from how they built the pyramids to how people survive being hit by a bolt of lightning!
The other night, I found myself reading the section on space travel. I was reading about Voyager 1 , the robotic space probe launched in 1977. This interested me, and so the other evening I was speaking to Leon about what I had read, and we had a long discussion about Space and The Universe. Leon (being the Space-freak that he is!) sent a link via email that took me through to a page on the Pale Blue Dot.
In 1990, as Voyager 1 was leaving the Solar System, it was instructed to turn it's camera around and take a photograph of the Earth, from a distance of 3.7 billion miles (6 billion kilometres). The resulting image is now known as the Pale Blue Dot. As you can see in the images below, when viewed from such a great distance out in the vastness of Space, our planet is nothing more than a speck hanging there alone in the darkness.
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