Astronomy Picture of the Day · July 22, 2025

A Double Detonation Supernova

The Astronomy Picture of the Day for July 22, 2025 is “A Double Detonation Supernova,” an image. It is credited to Image Credit: ESO , P. Das et al.; Background stars ( NASA / Hubble ): K. Noll et al.. The original explanation runs about 151 words.

A nearly circular nebula with two rings is shown. The outer ring appears orange while while the inner rings is more complex and appears blue. Please see the explanation for more detailed information. — Credit: Image Credit: ESO , P. Das et al.; Background stars ( NASA / Hubble ): K. Noll et al. Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“Can some supernovas explode twice? Yes, when the first explosion acts like a detonator for the second.”

— APOD editors, July 22, 2025

Read the full explanation on science.nasa.gov

At a glance

Date: July 22, 2025
Type: Image
Credit: Credit: Image Credit: ESO , P. Das et al.; Background stars ( NASA / Hubble ): K. Noll et al.
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 151 words