A 'Honeycombed Moon': O'Neill's Bridge and other lunar arches and tunnels.
| Autor: | Leatherbarrow, Bill w.leatherbarrow1@btinternet.com |
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| Zdroj: | Journal of the British Astronomical Association. Feb2012, Vol. 122 Issue 1, p42-48. 7p. |
| Databáze: | Academic Search Ultimate |
| Externí odkaz: |
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