Astronomy Picture of the Day ·

The Supernova and Cepheids of Spiral Galaxy UGC 9391

The Astronomy Picture of the Day for June 6, 2016 is “The Supernova and Cepheids of Spiral Galaxy UGC 9391,” an image. It is credited to Image Credit: NASA , ESA , and A. Riess ( STScI / JHU ) et al.. The original explanation runs about 197 words.

The Supernova and Cepheids of Spiral Galaxy UGC 9391
Credit: Image Credit: NASA , ESA , and A. Riess ( STScI / JHU ) et al. Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“What can this galaxy tell us about the expansion rate of the universe? Perhaps a lot because UGC 9391, featured , not only contains Cepheid variable stars (red circles) but also a recent Type Ia supernova (blue X).”

— APOD editors, June 6, 2016

Read the full explanation on science.nasa.gov

At a glance

Date
June 6, 2016
Type
Image
Credit
Credit: Image Credit: NASA , ESA , and A. Riess ( STScI / JHU ) et al.
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 197 words

All of June 2016 → · 2016 by month → · Full archive since 1995 →

Topics in this entry

GalaxiesSupernovae

Topics are matched from words in the title and explanation.

On this day: June 6 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.