Pale Blue Dot
Pale Blue Dot is a photograph of Earth taken on February 14, 1990, by the Voyager 1 space probe from an unprecedented distance of over 6 billion kilometers (3.7 billion miles, 40.5 AU), as part of that day's Family Portrait series of images of the Solar System.
In the photograph, Earth's apparent size is less than a pixel; the planet appears as a tiny dot against the vastness of space, among bands of sunlight reflected by the camera. Commissioned by NASA and resulting from the advocacy of astronomer and author Carl Sagan, the photograph was interpreted in Sagan's 1994 book, Pale Blue Dot, as representing humanity's minuscule and ephemeral place amidst the cosmos.
Voyager 1 was launched on September 5, 1977, with the initial purpose of studying the outer Solar System. After fulfilling its primary mission and as it ventured out of the Solar System, the decision to turn its camera around and capture one last image of Earth emerged, in part due to Sagan's proposition.
Over the years, the photograph has been revisited and celebrated on multiple occasions, with NASA acknowledging its anniversaries and presenting updated versions, enhancing its clarity and detail.
Echo
- 2024-10-17T00:00:00.000000Z
Live Sampler
- 2022-03-31T00:00:00.000000Z
Anatomy
- 2018-05-25T00:00:00.000000Z
Telescopes
- 2016-09-30T00:00:00.000000Z
Stay
- 2024-08-30T00:00:00.000000Z
Closer
- 2024-08-02T00:00:00.000000Z
Lascaux
- 2021-06-12T00:00:00.000000Z
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