Astronomy Picture of the Day ·

Perigee Moon, Apogee Moon

The Astronomy Picture of the Day for December 22, 1999 is “Perigee Moon, Apogee Moon,” an image. It is credited to Galileo Project, NASA. The original explanation runs about 194 words.

Perigee Moon, Apogee Moon
Credit: Galileo Project, NASA Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“9K”s. In fact, tonight’s moon will be a full-perigee-solstice moon, reaching its full phase and perigee (the closest point in its orbit ) on the solstice , the first day of northern hemisphere winter .”

— APOD editors, December 22, 1999

Read the full explanation on science.nasa.gov

At a glance

Date
December 22, 1999
Type
Image
Credit
Credit: Galileo Project, NASA
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 194 words

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

Topics in this entry

The Moon

Topics are matched from words in the title and explanation.

On this day: December 22 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.