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It’s been a little over 50 years since the space age began, and the most important thing we’ve discovered is the Earth.
Iconic 'pale blue dot' photo – Carl Sagan's idea – turns 30
How an early launch delay impacted the race to space, Opinions
Pale blue dot : a vision of the human future in space
Pale Blue Dot: A Vision of the Human Future in Space: Carl Sagan
Exploring space and finding our own Pale Blue Dot, Environment, Pale Blue Dot
Exploring space and finding our own Pale Blue Dot, Environment
Our Pale Blue Dot - Science On a Sphere
Exploring space and finding our own Pale Blue Dot
Exploring space and finding our own Pale Blue Dot
Voyager 1, First Craft in Interstellar Space, May Have Gone Dark