The National Geographic Magazine, Volume 76National Geographic Society, 1940 - Geography Indexes kept up to date with supplements. |
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Page 27
... stars . SPOONFUL OF STAR STUFF MIGHT WEIGH A TON Amazing things go to make up this wheel- like Milky Way galaxy - stars that pulsate like gigantic hearts ; double stars that spin around each other ; stars shrunk together so tight that a ...
... stars . SPOONFUL OF STAR STUFF MIGHT WEIGH A TON Amazing things go to make up this wheel- like Milky Way galaxy - stars that pulsate like gigantic hearts ; double stars that spin around each other ; stars shrunk together so tight that a ...
Page 28
... stars are fairly common . About one in every three stars is double - really two stars re- volving around each other , in periods rang- ing from a few hours to thousands of years . By measuring the pull of double stars on each other ...
... stars are fairly common . About one in every three stars is double - really two stars re- volving around each other , in periods rang- ing from a few hours to thousands of years . By measuring the pull of double stars on each other ...
Page 30
... star's image divided exactly in half by a wisp of spider web stretched across his telescope eyepiece . This transit circle is used by the U. S. Naval Observatory to determine the positions of the stars , Sun , Moon , and planets . The ...
... star's image divided exactly in half by a wisp of spider web stretched across his telescope eyepiece . This transit circle is used by the U. S. Naval Observatory to determine the positions of the stars , Sun , Moon , and planets . The ...
Contents
Solar Systems Eternal Show 10 illustrations in color from paintings by CHARLES | 17 |
Stalking Big Game with Color Camera 28 illustrations in color from natural color photo | 89 |
Man Succeeds in Making Friends with | 273 |
Copyright | |
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