The Pale Blue Dot Question
As the spacecraft Voyager was leaving orbit, the astronomer Carl Sagan, said:
"Wait...
Turn it around for just one moment... Let's see ourselves from that...far...away." For the first time in history, a photograph showed the earth as a "pale blue dot" in a beam of light against a vast and unending darkness.
The Voyager 1 was said to be about 6.4 billion kilometers, equivalent to 4 billion miles away, when it took a picture of our home. "What do you want to do with your ti