saros 的定义
Astronomy.
- the period of 223 synodic months, equaling 6585.32 days or 18 years, 11.32 days, after which eclipses repeat but are shifted 120° west.
更多saros例句
- This recurrence of eclipses after intervals of 18·03 years is called the Saros, and was known to the Chaldeans.
- The discovery of the Saros was such as was within their power, and was certainly no small achievement.
- But a given Saros eclipse in its successive reappearances undergoes other transformations besides that of Terrestrial longitude.
- A new eclipse thus entering will at first be a very small one, but will be larger at every recurrence in each Saros.
- The foregoing does not by any means exhaust all that can be said respecting the Saros even on the popular side.