Astronomy Picture of the Day ·

Ceres: Asteroid or Planet?

The Astronomy Picture of the Day for August 21, 2006 is “Ceres: Asteroid or Planet?,” an image. It is credited to Credit: NASA , ESA , J. Parker ( SwRI ) et al.. The original explanation runs about 139 words.

Ceres: Asteroid or Planet?
Credit: NASA , ESA , J. Parker ( SwRI ) et al. Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“Is Ceres an asteroid or a planet? Although a trivial designation to some, the recent suggestion by the Planet Definition Committee of the International Astronomical Union would have Ceres reclassified from asteroid to planet.”

— APOD editors, August 21, 2006

Read the full explanation on science.nasa.gov

At a glance

Date
August 21, 2006
Type
Image
Credit
Credit: NASA , ESA , J. Parker ( SwRI ) et al.
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 139 words

All of August 2006 → · 2006 by month → · Full archive since 1995 →

Topics in this entry

Asteroids

Topics are matched from words in the title and explanation.

On this day: August 21 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.