M0006086: Spiral Nebulae with open arms (M51), from Jeans: Astronomy and Cosmogony (1929) / M0006086EB: Spiral Nebulae with open arms (M101), from Jeans: Astronomy and Cosmogony (1929)
- Date:
- 07 February 1939
- Reference:
- WT/D/1/20/1/50/86
Licence: In copyright
Credit: M0006086: Spiral Nebulae with open arms (M51), from Jeans: <i>Astronomy and Cosmogony</i> (1929) / M0006086EB: Spiral Nebulae with open arms (M101), from Jeans: <i>Astronomy and Cosmogony</i> (1929). Source: Wellcome Collection.
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