...Thus is revived the old controversy between Whewell andBrewster as to the habitability of the planets...
George Forbes 「History of Astronomy」
...The first champion of the habitability of Mars was Sir William Herschel, although even before his time the idea had been suggested...
Garrett Serviss 「Curiosities of the Sky」
...It is, therefore, upon the question of the presence of water thatthe question of the habitability of a given world chiefly turns...
E. Walter Maunder 「Are the Planets Inhabited?」
...We learn, therefore, that thetime of rotation of a planet is an important factor in its habitability...
E. Walter Maunder 「Are the Planets Inhabited?」
...Butits case shows that a further condition of habitability has to besatisfied by a planet...
E. Walter Maunder 「Are the Planets Inhabited?」
...Such rapid variations in solar heat must inthemselves exercise a profound effect on the habitability of Mercury...
Robert Stawell Ball 「The Story of the Heavens」
...Finally, with regard to the habitability of Mars,Dr...
Cecil G. Dolmage 「Astronomy of To-day」
...The conclusions which the Italian astronomerarrived at with regard to its habitability were not supported bytelescopic evidence sufficient to justify such a belief...
Thomas Orchard 「The Astronomy of Milton's 'Paradise Lost'」
...It is uncertain whether this would have any important effectupon the habitability of the planet, but it supplies the fourth possiblecase for the position of the axis...
E. Walter Maunder 「Are the Planets Inhabited?」
...All the fine fancies of the habitability of this vaporousworld, all the calculations of the number of people that couldlive on the square miles of the planet and its enormous rings,are only fancy...
Henry Warren 「Recreations in Astronomy」
...There are worlds that havenot yet reached the conditions of habitability by men, and worldsthat have passed these conditions long since...
Henry Warren 「Recreations in Astronomy」
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