Wednesday, September 21, 2022

APOD - The Horsehead Nebula in Infrared from Hubble

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.

2022 September 21
The featured image just the head of the famous Horsehead  Nebula as captured by the Hubble Space Telescope in infrared   light.  Please see the explanation for more detailed information.

The Horsehead Nebula in Infrared from Hubble
Image Credit: NASA, ESA, Hubble; Processing: Alexandra Nachman

Explanation: While drifting through the cosmos, a magnificent interstellar dust cloud became sculpted by stellar winds and radiation to assume a recognizable shape. Fittingly named the Horsehead Nebula, it is embedded in the vast and complex Orion Nebula (M42). A potentially rewarding but difficult object to view personally with a small telescope, the featured gorgeously detailed image was taken in infrared light by the orbiting Hubble Space Telescope. The dark molecular cloud, roughly 1,500 light years distant, is cataloged as Barnard 33 and is seen above primarily because it is backlit by the nearby massive star Sigma Orionis. The Horsehead Nebula will slowly shift its apparent shape over the next few million years and will eventually be destroyed by high energy starlight.

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