English (UK)
The famous HorseHead Nebula in Orion (also known as Barnard 33) as seen from Calar Alto. This unusual shaped nebula was first spotted in 1888 on a photographic plate taken at the Harvard College Observatory. The nebula is located just below
Alnitak, the easternmost star of Orion's Belt, lies at a distance of
about 1500 light-years from Earth, and is approximately 3.5 light-years
wide. The red glow originates from hydrogen gas predominantly behind
the nebula, ionized by the nearby bright star Sigma Orionis. The
darkness of the Horsehead is caused by tiny...
The famous HorseHead Nebula in Orion (also known as Barnard 33) as seen from Calar Alto. This unusual shaped nebula was first spotted in 1888 on a photographic plate taken at the Harvard College Observatory. The nebula is located just below
Alnitak, the easternmost star of Orion's Belt, lies at a distance of
about 1500 light-years from Earth, and is approximately 3.5 light-years
wide. The red glow originates from hydrogen gas predominantly behind
the nebula, ionized by the nearby bright star Sigma Orionis. The
darkness of the Horsehead is caused by tiny...
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