The first contact of an inferior planet with the sun, or of a satellite with its planet, at a transit.
| 单词 | θ245 |
| 释义 | the world > the universe > heavenly body > movement of heavenly bodies > [noun] > transit > first contact at (1) ingress1753 The first contact of an inferior planet with the sun, or of a satellite with its planet, at a transit. |
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