Within Orion dwells the stellar masterpiece of the Horsehead Nebula, also known on Messier list as M42 and on as Barnard 33 in other catalogues. In honour of the Hubble's 23rd anniversary up in space, this photograph as taken in the infrared spectrum to showcase the magnificent emission nebula typically outshined by Sigma Orionis. We have a good few million years to marvel over this spectacle about 1 500 light-years away, for after that the high energy starlight will destroy this formation; or, more optimistically, sculpt it into something new!
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