A dark nebula in Orion shaped like the head of a horse, also known as Barnard 33. It is about 6′ long and projects into the bright nebula IC 434 south of the star Zeta Orionis, but is well seen only on long-exposure photographs.
http://www.eso.org/public/images/eso0202a/
- health economics
- health, geographies of
- health insurance
- health physics
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- HEAO
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- Hearst, William Randolph (1863–1951)
- heart
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- heartland
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