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Chemical oxygen demand
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Kepler's laws
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Jet engine
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Tiger mosquito
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SRAM
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Reptile
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Schweizerhalle disaster
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Dopamine
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Dunite
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ATRAC3
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Hard base
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Epithermal deposit
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Edge
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Information
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Tumour antigen
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Heliophile
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Bolide
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Herbivore
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Hornfel
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Biodegradable
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Metabolomics
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Pathological
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Plutonic
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Carbonate rock
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Covalent bond
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Protocol
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EUMETSAT
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Zune
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Time stamping
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Kepler's second law
M16
Messier 16 is an open cluster in the Serpens constellation, standing out from a background of diffuse nebulae. The stars in the cluster can be seen through a telescope, but the red clouds of the nebula require a long photo exposure time.
Photographed by "Chamois" (the person's pseudonym on the Futura-Sciences astro forum) using an exposure of 80 minutes on a CCD camera and a 200 mm telescope.
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