Astronomy Picture of the Day · January 17, 2008

Thor's Emerald Helmet

The Astronomy Picture of the Day for January 17, 2008 is “Thor's Emerald Helmet,” an image. The picture is copyrighted by its creator (Credit & Copyright: Robert Gendler). The original explanation runs about 132 words.

From the explanation

“This helmet-shaped cosmic cloud with wing-like appendages is popularly called Thor’s Helmet . Heroically sized even for a Norse god , Thor’s Helmet is about 30 light-years across.”

— APOD editors, January 17, 2008

Read the full explanation on science.nasa.gov

At a glance

Date: January 17, 2008
Type: Image
Credit: Credit & Copyright: Robert Gendler
Copyright: Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length: About 132 words

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Topics in this entry

Nebulae

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On this day: January 17 in other years

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Source

Astronomy Picture of the Day, January 17, 2008 — science.nasa.gov/image-article/apod-2008-january-17-thors-emerald-helmet

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.