Astronomy Picture of the Day · Topic

Supernovae

399 entries from June 21, 1995 to October 7, 2026. Entries that mention a supernova or a supernova remnant.

How entries are matched: the topic word appears in the title, or at least twice in the explanation. This is an automatic word match, so a few entries may only mention the topic in passing.

Most recent

A red explosion extending radially like a firework over a dark field of stars. October 7, 2026

Supernova Remnant Pa 30

International Gemini Observatory/NOIRLab/NSF/AURA. Acknowledgment: PI: T. Cunningham (Center for Astrophysics – Harvard & Smithsonian). Image Processing: J. Miller & M. Rodriguez (International Gemini Observatory/NSF NOIRLab), T.A. Rector (University of Alaska Anchorage/NSF NOIRLab), D. de Martin & M. Zamani (NSF NOIRLab).
The Ghosts of Five Supernovas September 24, 2026

The Ghosts of Five Supernovas

Stephane Vetter, Yann Sainty
A faint, reddish emission nebula seen against a starry background. July 24, 2026

RCW 86: Historical Supernova Remnant

Image Credit & Copyright: David Cowland
A bright spiral galaxy shows stars and colorful clous of gas in red, green and blue colors. The background is a dark field of stars. July 16, 2026

NGC 300: A Cosmic Gemstone with Stars and Gas Clouds

Image Credit & Copyright: Team Ciel Austral Text: Cecilia Chirenti ( NASA GSFC , UMCP , CRESST II )
Against a bright field of stars, a yellow nebula with blue details, a purple filament on the left and a bright star on the right. July 2, 2026

Sibling Supernova Remnants

Image Credit: NASA Goddard Space Flight Center and M. Michailidis et al. 2026; optical: DSS ; infrared: NASA / WISE / JPL – Caltech / UCLA ; ultraviolet: NASA / Swift Text: Cecilia Chirenti ( NASA GSFC , UMCP , CRESST II )
A composite image shows a field of stars on a dark background, together X-rays in blue and radio in red June 18, 2026

Possible Supernova Remnant in Galactic Center

Image Credit & Copyright: X-ray: NASA / CXC / UCLA / Z. Zhu et al.; ESA / XMM-Newton ; Optical: PanSTARRS ; Radio: MeerKAT ; Image Processing: NASA / CXC / SAO / L. Frattare and P. Edmonds Text: Cecilia Chirenti ( NASA GSFC , UMCP , CRESST II )
A delicate nebula in shades of blue and purple shines in front of a dark field of stars. The shape of the nebula resembles a mermaid. June 11, 2026

The Mermaid Nebula Supernova Remnant

Image Credit & Copyright: Data acquisition: Sy Ming Wong; Processing: Guangyan Gao Text: Cecilia Chirenti ( NASA GSFC , UMCP , CRESST II )
Gas, dust, and stars are scattered across the image. A dark silhouette that looks like an eagle swoops downward towards three small pillars of gas. Other gas and dust pillar-like features reach out of the surrounding nebula. A central clust June 10, 2026

The Eagle Nebula and Friends

Image Credit & Copyright: Emmanuel Delgadillo Text: Keighley Rockcliffe ( NASA GSFC , UMBC CSST , CRESST II )
A starfield surrounds a complex nebula with many red and blue filaments. Dark streams of dust also populate the nebula. Please see the explanation for more detailed information. June 9, 2026

Thor's Helmet

Image Credit & Copyright: Josep Drudis , Christian Sasse
The starfield is filled with many red nebulas, areas of dark dust, and light blue filaments. Please see the explanation for more detailed information. June 2, 2026

The Vela Supernova Remnant

Image Credit & Copyright: José Mtanous
The Nebulous Realm of WR 134 May 22, 2026

The Nebulous Realm of WR 134

Image Credit & Copyright: Luigi Morrone and Telescope Live
M82: Starburst Galaxy with a Superwind April 17, 2026

M82: Starburst Galaxy with a Superwind

Image Credit & Copyright: Arnaud Malleval

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