The National Geographic Magazine, Volume 113National Geographic Society, 1958 - Geography Indexes kept up to date with supplements. |
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Page 293
... craters as an effect of vegetation . This phenomenon , however , must be due wholly to the variable angle of illumination from the rising and setting of the sun . You , as our hypothetical lunar explorer , are gathering many bizarre ...
... craters as an effect of vegetation . This phenomenon , however , must be due wholly to the variable angle of illumination from the rising and setting of the sun . You , as our hypothetical lunar explorer , are gathering many bizarre ...
Page 294
... crater , generally smaller than some of the older , inundated ones . In my opinion the sharpness of their outlines proves that these new craters must be in rock and are not mere dimples in a dust - filled desert . Craters completely ...
... crater , generally smaller than some of the older , inundated ones . In my opinion the sharpness of their outlines proves that these new craters must be in rock and are not mere dimples in a dust - filled desert . Craters completely ...
Page 295
... Craters Reveal Telltale Clues Where old and new lunar craters are inter- mingled and overlapping , it is difficult to get a clear picture of their true nature , but three newer , unbroken ones , in the vast plain known as the Mare ...
... Craters Reveal Telltale Clues Where old and new lunar craters are inter- mingled and overlapping , it is difficult to get a clear picture of their true nature , but three newer , unbroken ones , in the vast plain known as the Mare ...
Contents
Mans First Winter at the South Pole Cold Fiercer Than Men Had Ever | 439 |
Young Giant of the Far South By Jean and Franc Shor With 37 color | 900 |
My Neighbors Hold to Mountain Ways Blue Ridge People of North | 906 |
Copyright | |
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