Astronomy Picture of the Day ·

Bright Spiral Galaxy M81

The Astronomy Picture of the Day for September 17, 2017 is “Bright Spiral Galaxy M81,” an image. The picture is copyrighted by its creator (Image Credit: Subaru Telescope ( NAOJ ), Hubble Space Telescope ; Processing & Copyright: Roberto Colombari & Robert Gendler). The original explanation runs about 148 words.

Bright Spiral Galaxy M81
Credit: Image Credit: Subaru Telescope ( NAOJ ), Hubble Space Telescope ; Processing & Copyright: Roberto Colombari & Robert Gendler Copyrighted Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“One of the brightest galaxies in planet Earth’s sky is similar in size to our Milky Way Galaxy: big, beautiful M81 . This grand spiral galaxy can be found toward the northern constellation of the Great Bear ( Ursa Major ).”

— APOD editors, September 17, 2017

Read the full explanation on science.nasa.gov

At a glance

Date
September 17, 2017
Type
Image
Credit
Credit: Image Credit: Subaru Telescope ( NAOJ ), Hubble Space Telescope ; Processing & Copyright: Roberto Colombari & Robert Gendler
Copyright
Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length
About 148 words

All of September 2017 → · 2017 by month → · Full archive since 1995 →

Topics in this entry

The Milky WayGalaxies

Topics are matched from words in the title and explanation.

On this day: September 17 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.