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THE POPULAR SCIENCE MONTHLY
Fig. 3. Meteor Train seen at the Leiden Observatory, Holland. Observed on November 13, 1865. From a picture by the observer, Dr. Van Hennekelen. A as it appeared at 12:45 a. m., B at 1:13 a. m., C at 1:24 a. m.
rapid-moving meteors, and it may be that the formation of trains by them is partly due to their high velocity. Many trains have been observed which have been produced by meteors belonging to other swarms than those that radiate from the constellations Leo and Perseus, and thus it is possible for a persistent train, although an uncommon phenomenon, to occur on any night during the year.
