The new encyclopædia Britannica: in 30 volumes |
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Page 263
... gravitational force decreases with increasing altitude was exploited to maintain the satellite's orientation ... gravitational field are not symmetrical , but also because of gravitational effects of the Sun and Moon . This wandering ...
... gravitational force decreases with increasing altitude was exploited to maintain the satellite's orientation ... gravitational field are not symmetrical , but also because of gravitational effects of the Sun and Moon . This wandering ...
Page 274
... gravitational contraction that occurred when the planet was formed about 4,600,000,000 years ago , it is unlikely that the heat source of Saturn is similar . Saturn is smaller and less massive and has a lower overall density ( less than ...
... gravitational contraction that occurred when the planet was formed about 4,600,000,000 years ago , it is unlikely that the heat source of Saturn is similar . Saturn is smaller and less massive and has a lower overall density ( less than ...
Page 447
... gravitational instabilities and , hence , in the vertical transport of hot and cold material . In this regard the cold descending slab of oceanic lithosphere landward of the trench systems is clearly a source of gravitational energy ...
... gravitational instabilities and , hence , in the vertical transport of hot and cold material . In this regard the cold descending slab of oceanic lithosphere landward of the trench systems is clearly a source of gravitational energy ...
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