Astronomy Picture of the Day ·

Rhea: Saturn's Second Largest Moon

The Astronomy Picture of the Day for December 5, 1999 is “Rhea: Saturn's Second Largest Moon,” an image. The picture is copyrighted by its creator (Credit: Voyager, NASA; Copyright: Calvin J. Hamilton). The original explanation runs about 88 words.

Rhea: Saturn's Second Largest Moon
Credit: Voyager, NASA; Copyright: Calvin J. Hamilton Copyrighted Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“Rhea is the second largest moon of Saturn , behind Titan , and the largest without an atmosphere. It is composed mostly of water ice, but has a small rocky core.”

— APOD editors, December 5, 1999

Read the full explanation on science.nasa.gov

At a glance

Date
December 5, 1999
Type
Image
Credit
Credit: Voyager, NASA; Copyright: Calvin J. Hamilton
Copyright
Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length
About 88 words

All of December 1999 → · 1999 by month → · Full archive since 1995 →

Topics in this entry

The MoonSaturn

Topics are matched from words in the title and explanation.

On this day: December 5 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.