In old Astronomy: The sphere containing the fixed stars; the eighth heaven of the Ptolemaic system.
| 单词 | θ113 |
| 释义 | the world > the universe > celestial sphere > zone of celestial sphere > sphere of ancient astronomy > [noun] > firmament (1) firmamentc1400 In old Astronomy: The sphere containing the fixed stars; the eighth heaven of the Ptolemaic system. |
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