On February 14, 1990, the Voyager 1 probe captured this image of Earth from 6 billion kilometers away. In his book, Pale Blue Dot, Carl Sagan reflected on the photo's significance:Look again ...

The "Pale Blue Dot," a photo of our home planet taken by the Voyager 1 spacecraft on Feb. 14, 1990, when it was almost 4 billion miles (6.4 billion kilometers) from Earth.© NASA/JPL-Caltech ...

The probe took the Pale Blue Dot photo at 0448 GMT on Feb. 14, 1990, just 34 minutes before its cameras were shut off forever. (The very last photos Voyager 1 took, however, were of the sun ...

Although the “Pale Blue Dot” may have looked static, in 1990, the planet, of course, was as alive and bustling as ever.

Pale Blue Dot was part of a remarkable larger “ family ” portrait of the solar system, an idea the famous American astronomer Carl Sagan, a member of the Voyager imaging team, came up with ...

The Pale Blue Dot has also changed, but humanity might not have assimilated its lessons quite yet. "It has been said that astronomy is a humbling and character-building experience.

The pale blue dotMove far enough away from Earth and the whole planet is represented by a single, pale blue pixel. Carl Sagan, who died in 1996, was a singularly inspiring science and astronomy writer ...

Earth, with a diameter of 12,700 km, is the famed "pale blue dot" imaged here. It takes up 0.12 pixels in Voyager 1's narrow angle camera.

Other 'selfies' of Earth The Pale Blue Dot was not the first image of Earth taken from space. On Christmas Eve 1968, Apollo 8 astronauts William Anders, James Lovell and Frank Borman were in lunar ...