Astronomy Picture of the Day ·

The Extraordinary Spiral in LL Pegasi

The Astronomy Picture of the Day for July 8, 2018 is “The Extraordinary Spiral in LL Pegasi,” an image. The picture is copyrighted by its creator (Image Credit: NASA , ESA , Hubble , HLA ; Processing & Copyright: Domingo Pestana & Raul Villaverde). The original explanation runs about 162 words.

The Extraordinary Spiral in LL Pegasi
Credit: Image Credit: NASA , ESA , Hubble , HLA ; Processing & Copyright: Domingo Pestana & Raul Villaverde Copyrighted Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“What created the strange spiral structure on the upper left? No one is sure, although it is likely related to a star in a binary star system entering the planetary nebula phase, when its outer atmosphere is ejected.”

— APOD editors, July 8, 2018

Read the full explanation on science.nasa.gov

At a glance

Date
July 8, 2018
Type
Image
Credit
Credit: Image Credit: NASA , ESA , Hubble , HLA ; Processing & Copyright: Domingo Pestana & Raul Villaverde
Copyright
Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length
About 162 words

All of July 2018 → · 2018 by month → · Full archive since 1995 →

Topics in this entry

Nebulae

Topics are matched from words in the title and explanation.

On this day: July 8 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.