Astronomy Picture of the Day ·

Thor's Helmet

The Astronomy Picture of the Day for March 17, 2025 is “Thor's Helmet,” an image. The picture is copyrighted by its creator (Image Credit & Copyright: Brian Hopkins ( East Coast Astronomer )). The original explanation runs about 160 words.

The image shows a starfield with an oval shaped red and light-blue tinged nebula in the center Please see the explanation for more detailed information.
Credit: Image Credit & Copyright: Brian Hopkins ( East Coast Astronomer ) Copyrighted Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“Thor not only has his own day (Thursday), but a helmet in the heavens. Popularly called Thor’s Helmet, NGC 2359 is a hat-shaped cosmic cloud with wing-like appendages.”

— APOD editors, March 17, 2025

Read the full explanation on science.nasa.gov

At a glance

Date
March 17, 2025
Type
Image
Credit
Credit: Image Credit & Copyright: Brian Hopkins ( East Coast Astronomer )
Copyright
Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length
About 160 words

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On this day: March 17 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.