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Error-correcting code
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Algorithmics
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Gait
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Fossils
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Homeotic gene
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SMTP
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Cell biology
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LBCO
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Coastline Act
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Plasma membrane
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Thoracic cavity
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Wingspan
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Autoclaved aerated concrete
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Hurricane
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American foulbrood
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3G
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Object-oriented language
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Ultrabasic
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Caenorhabditis elegans
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Galaxy
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API
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Rabbit fever
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Sucrose
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Fallow deer
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Tautomer
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Porosity
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Configuration
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Monoclonal antibodies
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Upwelling
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Curettage
M101
M101 is a beautiful spiral galaxy seen face-on in the constellation of Ursa Major. Its apparent size is nearly a full Moon, but its extent and fine spiral arms can only be observed through a large telescope.
It is 27 million light-years away and is the brightest in a group of at least 9 galaxies.
Photographed by "baf" (the person's pseudonym on the astro forum) using a digital reflex camera fitted behind a 150 mm diameter telescope.
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