Page:In the high heavens.djvu/55

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THE PHYSICAL CONDITION OF OTHER WORLDS.
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longer than ours, being about a year and eleven months. The size of Mars is less than the size of our earth, and, therefore, the gravitation on Mars is not so great as we have here. I do not mean to say that it is the least likely that any man, woman, or child transplanted from this earth to Mars could live and thrive there. The temperature might be endurable, and water appears to be not wanting, but I do not think we have any reason to expect that the atmosphere would suit human beings either in quantity or quality. As, however, the case of Mars will be discussed in another chapter in this volume, we do not here refer to it further.