Astronomy Picture of the Day · December 20, 2012

M33: Triangulum Galaxy

The Astronomy Picture of the Day for December 20, 2012 is “M33: Triangulum Galaxy,” an image. The picture is copyrighted by its creator (Image Credit & Copyright: Robert Gendler , Subaru Telescope ( NAOJ ) Image data: Subaru Telescope, Robert Gendler, Brigham Young University Obs. , Johannes Schedler). The original explanation runs about 172 words.

From the explanation

“The small, northern constellation Triangulum harbors this magnificent face-on spiral galaxy, M33. Its popular names include the Pinwheel Galaxy or just the Triangulum Galaxy .”

— APOD editors, December 20, 2012

Read the full explanation on science.nasa.gov

At a glance

Date: December 20, 2012
Type: Image
Credit: Credit: Image Credit & Copyright: Robert Gendler , Subaru Telescope ( NAOJ ) Image data: Subaru Telescope, Robert Gendler, Brigham Young University Obs. , Johannes Schedler
Copyright: Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length: About 172 words

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Topics in this entry

The Milky Way Andromeda Galaxy Galaxies

Topics are matched from words in the title and explanation.

On this day: December 20 in other years

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Source

Astronomy Picture of the Day, December 20, 2012 — science.nasa.gov/image-article/apod-2012-december-20-m33-triangulum-galaxy

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.