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Scientific American, Vol. 34, No. 20 (May 1876) (1876)

leaf 6

An illustration from Scientific American, Vol. 34, No. 20 (May 1876), 1876, leaf 6
h would probably be lessviolent, the projected matter would not rise so high, and infalling back it would cause the formation of the central cone. During the subsequent eruption, when the force of thevolcano was almost entirely spent, the lava would simplyoverflow and tend to fill up the basin to… … more and more nearly circular, and its area is becoming great-er every year. As a consequence the earth tends to draw themoon nearer and nearer to itself, and causes it to describe aconstantly diminishing orbit. The end of this might be topull the moon down upon the earth. The change is, how-ever,…

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