Astronomy Picture of the Day ·

All the Water on Planet Earth

The Astronomy Picture of the Day for September 7, 2025 is “All the Water on Planet Earth,” an image. It is credited to Illustration Credit: Jack Cook, Adam Nieman, Woods Hole Oceanographic Institution ; Data source: Igor Shiklomanov. The original explanation runs about 158 words.

An illustration of planet Earth is shown where the Earth is tan and has no water shown on its surface. In the foreground are several small blue spheres showing how much water is known to reside on our planet. Please see the explanation for
Credit: Illustration Credit: Jack Cook, Adam Nieman, Woods Hole Oceanographic Institution ; Data source: Igor Shiklomanov Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“How much of planet Earth is made of water? Very little, actually.”

— APOD editors, September 7, 2025

Read the full explanation on science.nasa.gov

At a glance

Date
September 7, 2025
Type
Image
Credit
Credit: Illustration Credit: Jack Cook, Adam Nieman, Woods Hole Oceanographic Institution ; Data source: Igor Shiklomanov
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 158 words

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Source

Copy taken Oct 28, 2026, 2:39 AM EDT. The image and explanation belong to their creators. OpenOrbit is not affiliated with or endorsed by NASA.