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Страница 280
the small attraction of the moon just balances the gravitation of the earth so greatly weakened by distance . Weight has disappeared , and in the absence of resistance perpetual motion is achieved . Expenditure of fuel is then necessary ...
the small attraction of the moon just balances the gravitation of the earth so greatly weakened by distance . Weight has disappeared , and in the absence of resistance perpetual motion is achieved . Expenditure of fuel is then necessary ...
Страница 281
Any solid residue of reconditioning , such as carbonate of lime , when ejected would drift slowly back to earth , at first imperceptibly , and would finally disintegrate as a shooting star . In its flight through the solitude of space ...
Any solid residue of reconditioning , such as carbonate of lime , when ejected would drift slowly back to earth , at first imperceptibly , and would finally disintegrate as a shooting star . In its flight through the solitude of space ...
Страница 283
shadow of the earth where night reigns , and the solar heat of day just outside it . Within the region of dawn the course might be set with brief excursions to and fro into day or night as the temperature conditions might demand .
shadow of the earth where night reigns , and the solar heat of day just outside it . Within the region of dawn the course might be set with brief excursions to and fro into day or night as the temperature conditions might demand .
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