Astronomy Picture of the Day ·

Arp 78: Peculiar Galaxy in Aries

The Astronomy Picture of the Day for September 30, 2026 is “Arp 78: Peculiar Galaxy in Aries,” an image. The picture is copyrighted by its creator (Robert Eder). The original explanation runs about 134 words.

A spiral galaxy viewed face-on with an extended spiral arm.
Credit & Copyright: Robert Eder Copyrighted Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“Peculiar spiral galaxy Arp 78 is found within the boundaries of the head strong constellation Aries. Some 100 million light-years beyond the stars and nebulae of our Milky Way galaxy, the island universe is an enormous 200,000 light-years across.”

— APOD editors, September 30, 2026

Read the full explanation on science.nasa.gov

At a glance

Date
September 30, 2026
Type
Image
Credit
Credit & Copyright: Robert Eder
Copyright
Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length
About 134 words

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Topics in this entry

The Milky WayNebulaeGalaxies

Topics are matched from words in the title and explanation.

On this day: September 30 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.