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.

2024 November 26
The top panel shows a flat ring with a bright centre
in blue, even though it was taken in near infrared light.
The bottom panel shows the same galaxy in visible light
and shows a brighter and more expansive centre against
which the flat ring appears dark. 
Please see the explanation for more detailed information.

The Sombrero Galaxy from Webb and Hubble
Image Credit: NASA, ESA, CSA, STScI, Hubble Heritage Project (STScI, AURA)

Explanation: This floating ring is the size of a galaxy. In fact, it is a galaxy -- or at least part of one: the photogenic Sombrero Galaxy is one of the largest galaxies in the nearby Virgo Cluster of Galaxies. The dark band of dust that obscures the mid-section of the Sombrero Galaxy in visible light (bottom panel) actually glows brightly in infrared light (top panel). The featured image shows the infrared glow in false blue, recorded recently by the space-based James Webb Space Telescope (JWST) and released yesterday, pictured above an archival image taken by NASA's Hubble Space Telescope in visible light. The Sombrero Galaxy, also known as M104, spans about 50,000 light years and lies 28 million light years away. M104 can be seen with a small telescope in the direction of the constellation Virgo.

Tomorrow's picture: meteor races comet


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