Astronomy Picture of the Day ·

Arp 230: Two Spirals in One?

The Astronomy Picture of the Day for August 22, 1996 is “Arp 230: Two Spirals in One?,” an image. It is credited to Credit: J. A. Westphal (Caltech), HST, STSci, NASA. The original explanation runs about 74 words.

Arp 230: Two Spirals in One?
Credit: J. A. Westphal (Caltech), HST, STSci, NASA Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“Is this one galaxy or two? Analysis of Arp 230 has shown evidence that this seemingly single spiral galaxy is actually the result of the recent collision of two spiral galaxies .”

— APOD editors, August 22, 1996

Read the full explanation on science.nasa.gov

At a glance

Date
August 22, 1996
Type
Image
Credit
Credit: J. A. Westphal (Caltech), HST, STSci, NASA
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 74 words

All of August 1996 → · 1996 by month → · Full archive since 1995 →

Topics in this entry

Galaxies

Topics are matched from words in the title and explanation.

On this day: August 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.