Astronomy Picture of the Day ·

Eris: The Largest Known Dwarf Planet

The Astronomy Picture of the Day for September 18, 2006 is “Eris: The Largest Known Dwarf Planet,” an image. The picture is copyrighted by its creator (Credit & Copyright: W. M. Keck Observatory). The original explanation runs about 162 words.

Eris: The Largest Known Dwarf Planet
Credit & Copyright: W. M. Keck Observatory Copyrighted Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“Is Pluto the largest dwarf planet? No!”

— APOD editors, September 18, 2006

Read the full explanation on science.nasa.gov

At a glance

Date
September 18, 2006
Type
Image
Credit
Credit & Copyright: W. M. Keck Observatory
Copyright
Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length
About 162 words

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On this day: September 18 in other years

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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.