Is Earth Just a Pale Blue Dot?
In his book Pale Blue Dot, the late astronomer Carl Sagan had this to say about the above photograph taken aboard Voyager I: Because of the reflection of sunlight . . . Earth seems to be...
Tagged: Copernican Principle
In his book Pale Blue Dot, the late astronomer Carl Sagan had this to say about the above photograph taken aboard Voyager I: Because of the reflection of sunlight . . . Earth seems to be...