Scientists detect an enormous halo around the iconic Sombrero Galaxy

As an Amazon Associate I earn from qualifying purchases.

Table of Contents

Quick realities

What it is: Sombrero Galaxy (M104)

Where it is: 30 million light-years away, in the constellations Virgo and Corvus

When it was shared: April 24, 2026

The main bulge and dark dust path, which together look like a conventional Mexican hat, provide the Sombrero Galaxy (Messier 104, or M104) its label– however this brand-new picture of the galaxy from the effective Dark Energy Camera exposes 2 never-before-seen functions.What sets this image apart are functions that are generally too faint to find. Surrounding the galaxy in this wide-angle image is a huge, scattered halo that extends far beyond the intense disk, extending over 3 times the width of the sombrero itself and substantially increasing the galaxy’s evident size.The image likewise records a faint excellent stream extending far from one side of the galaxy. This thin, curved function is hardly noticeable initially glimpse, however a closer assessment exposes it as an unique arc of light underneath the galaxy as it’s revealed here. It breaks the galaxy’s best balance and recommends previous violent interactions with a smaller sized satellite galaxy.

The impressive clearness of the image is because of the abilities of the Dark Energy Camera, a 570-megapixel instrument installed on the Víctor M. Blanco 4-meter Telescope at the Cerro Tololo Inter-American Observatory in Chile. Run by the National Science Foundation’s NOIRLab, the system is created to spot incredibly faint light, permitting both the brilliant core and the dim external structures of the galaxy to be recorded in a single image.

The brand-new image is available in the wake of the James Webb Space Telescope’s first-ever mid-infrared observations of the Sombrero Galaxy in 2024, which it surpassed in June 2025.