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Explanation: What's that pale blue dot in this image taken from Saturn? Earth. The robotic Cassini spacecraft looked back toward its old home world earlier this month as it orbited Saturn. Using Saturn itself to block the bright Sun, Cassini imaged a faint dot on the right of the above photograph. That dot is expanded on the image inset, where a slight elongation in the direction of Earth's Moon is visible. Vast water oceans make Earth's reflection of sunlight somewhat blue. Earth is home to over six billion humans and over 100 octillion Prochlorococcus.
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NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
Based on Astronomy Picture
Of the Day
Publications with keywords: Earth - Moon - Saturn
Publications with words: Earth - Moon - Saturn
See also:
- APOD: 2026 May 11 Á Moon Setting Behind Teide Volcano
- APOD: 2026 May 9 Á Messier Craters in Stereo
- APOD: 2026 May 6 Á The Retrograde Dance of Saturn and Neptune
- APOD: 2026 April 15 Á The ISS Transits the Moon
- APOD: 2026 April 11 Á Artemis II: Flight Day 6
- APOD: 2026 April 4 Á Hello World
- The Bay of Rainbows