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Dopaminergic agonist
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Biotin
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Confocal microscope
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MIDI file
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Wolf number
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Switch
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Pellet
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Kevlar
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Oscillograph
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Rhesus factor
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Nucleotide
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Heterotrophism
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Alevin
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Browser
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Scrambling
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Amnion
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Epidermis
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SKIP
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Mannose
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Nucleic acid
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Hermetic sealing
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Inference engine
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Integrated circuit
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Cuculiformes
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Cyclotron
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Deposit
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Axolemma
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Catchall
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Endocrine system
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Nova
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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