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COMETS AND METEORIC BODIES

less after sunset. In our latitudes it is best seen in the spring, when, about an hour and a half after sunset, it may always be seen in the west and southwest, extending upward toward the Pleiades. It is best seen at this

Fig. 49.—The Zodiacal Light in February and March.

season because, lying in the plane of the ecliptic, it makes a greater angle with the horizon then than at other seasons. In autumn it may be seen in the morning before daybreak, rising from the east and extending toward the south.

It is said that in regions where the atmosphere is clearer than with us, it may be seen all night, spanning the heavens like a complete circle. If so, the light is so

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