Astronomy Picture of the Day · December 23, 2021

Three Planets and a Comet

The Astronomy Picture of the Day for December 23, 2021 is “Three Planets and a Comet,” an image. The picture is copyrighted by its creator (Image Credit & Copyright: Tunc Tezel ( TWAN )). The original explanation runs about 171 words.

From the explanation

“Are you still looking for that perfect holiday gift for an astronomer? If your night sky is dark and horizon clear enough, the Solar System may have done your shopping for you.”

— APOD editors, December 23, 2021

Read the full explanation on science.nasa.gov

At a glance

Date: December 23, 2021
Type: Image
Credit: Credit: Image Credit & Copyright: Tunc Tezel ( TWAN )
Copyright: Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length: About 171 words

All of December 2021 → · 2021 by month → · Full archive since 1995 →

Topics in this entry

Venus Saturn Comets

Topics are matched from words in the title and explanation.

On this day: December 23 in other years

On Amazon

Popular picks for space fans

As an Amazon Associate I earn from qualifying purchases.

Electronics Amazon Kindle Paperwhite Signature Edition 32GB Read astronomy and space-history books anywhere. View on Amazon → Electronics Bose QuietComfort Wireless Headphones Noise-cancelling headphones for documentaries and launch livestreams. View on Amazon →

Source

Astronomy Picture of the Day, December 23, 2021 — science.nasa.gov/image-article/apod-2021-december-23-three-planets-and-a-comet

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.