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| any of the nine large heavenly bodies revolving about the sun and shining by reflected light: a similar body revolving about a star other than the sun |
| either of the two times a year when the sun is at its greatest distance from the celestial equator that takes place about June 21 and about December 22 |
transit (trān'sĭt) Pronunciation Key
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transit
in astronomy, the passage of a relatively small body across the disk of a larger body, usually the Sun or a planet, occulting only a very small area. Mercury and Venus periodically transit the Sun, and a satellite may transit its planet. Compare eclipse.
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