Astronomy Picture of the Day ·

Nearby Cepheid Variable RS Pup

The Astronomy Picture of the Day for September 9, 2013 is “Nearby Cepheid Variable RS Pup,” an image. It is credited to Image Credit: Hubble Legacy Archive , NASA , ESA – Processing: Stephen Byrne. The original explanation runs about 220 words.

Nearby Cepheid Variable RS Pup
Credit: Image Credit: Hubble Legacy Archive , NASA , ESA – Processing: Stephen Byrne Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“It is one of the most important stars in the sky. This is partly because, by coincidence, it is surrounded by a dazzling reflection nebula .”

— APOD editors, September 9, 2013

Read the full explanation on science.nasa.gov

At a glance

Date
September 9, 2013
Type
Image
Credit
Credit: Image Credit: Hubble Legacy Archive , NASA , ESA – Processing: Stephen Byrne
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 220 words

All of September 2013 → · 2013 by month → · Full archive since 1995 →

Topics in this entry

NebulaeGalaxies

Topics are matched from words in the title and explanation.

On this day: September 9 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.