Astronomy Picture of the Day ·

Comet Churyumov-Gerasimenko Creates Its Tails

The Astronomy Picture of the Day for October 19, 2025 is “Comet Churyumov-Gerasimenko Creates Its Tails,” an image. It is credited to Image Credit & License: ESA , Rosetta , NAVCAM. The original explanation runs about 188 words.

The nucleus of a comet is shown against the dark of deep space. The comet's surface is jagged and irregular. A stream of dust and gas drifts off to the upper left. Please see the explanation for more detailed information.
Credit: Image Credit & License: ESA , Rosetta , NAVCAM Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“Where do comet tails come from? There are usually no obvious places on the nuclei of comets from which the jets that create comet tails emanate.”

— APOD editors, October 19, 2025

Read the full explanation on science.nasa.gov

At a glance

Date
October 19, 2025
Type
Image
Credit
Credit: Image Credit & License: ESA , Rosetta , NAVCAM
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 188 words

All of October 2025 → · 2025 by month → · Full archive since 1995 →

Topics in this entry

The SunComets

Topics are matched from words in the title and explanation.

On this day: October 19 in other years

On Amazon

Popular picks for space fans

As an Amazon Associate I earn from qualifying purchases.

Electronics Amazon Kindle Paperwhite Signature Edition 32GB Read astronomy and space-history books anywhere. View on Amazon → Electronics Bose QuietComfort Wireless Headphones Noise-cancelling headphones for documentaries and launch livestreams. View on Amazon →

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.