Astronomy Picture of the Day

Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

2020 October 31
See Explanation. Clicking on the picture will download the highest resolution version available.

A Galaxy of Horrors
Poster Illustration Credit: NASA, JPL-Caltech, The Galaxy of Horrors

Explanation: Explore extreme and terrifying realms of the Universe tonight. If you dare to look, mysterious dark matter, a graveyard galaxy, zombie worlds, and gamma-ray bursts of doom are not all that awaits. Just follow the link and remember, it's all based on real science, even the scary parts. Have a safe and happy halloween!

Tomorrow's picture: day of the trifid

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