Astronomy Picture of the Day · January 17, 2023

Unexpected Clouds Toward the Andromeda Galaxy

The Astronomy Picture of the Day for January 17, 2023 is “Unexpected Clouds Toward the Andromeda Galaxy,” an image. The picture is copyrighted by its creator (Image Credit & Copyright: Yann Sainty & Marcel Drechsler). The original explanation runs about 162 words.

A deep image of M31, the Andromeda galaxy, shows unexpected oxygen-glowing arcs to its left. Please see the explanation for more detailed information. — Credit: Image Credit & Copyright: Yann Sainty & Marcel Drechsler Copyrighted Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“Why are there oxygen-emitting arcs near the direction of the Andromeda galaxy? No one is sure.”

— APOD editors, January 17, 2023

Read the full explanation on science.nasa.gov

At a glance

Date: January 17, 2023
Type: Image
Credit: Credit: Image Credit & Copyright: Yann Sainty & Marcel Drechsler
Copyright: Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length: About 162 words