Astronomy Picture of the Day · January 21, 2025

Comet ATLAS over Brasília

The Astronomy Picture of the Day for January 21, 2025 is “Comet ATLAS over Brasília,” an image. It is credited to Image Credit: Frederico Danin. The original explanation runs about 137 words.

The buildings of a city are seen past a dark waterway. Over the city are some dark clouds and above that, blue sky. In the blue sky, partly obscured by some of the clouds, is a comet with a very long tail, running from the middle to the top — Credit: Image Credit: Frederico Danin Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“What’s that in the sky? Above the city, above most clouds, far in the distance: it’s a comet.”

— APOD editors, January 21, 2025

Read the full explanation on science.nasa.gov

At a glance

Date: January 21, 2025
Type: Image
Credit: Credit: Image Credit: Frederico Danin
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 137 words