The Stars in Their Courses |
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Page 17
... surface of the Sun and 4000 ° C. for the dark center of sunspots . Solar flares are important in connection with a more general activity of the Sun's surface . Energy is somehow transferred from the Sun's glowing surface to the thin ...
... surface of the Sun and 4000 ° C. for the dark center of sunspots . Solar flares are important in connection with a more general activity of the Sun's surface . Energy is somehow transferred from the Sun's glowing surface to the thin ...
Page 27
... surface as we recognize them today was the German astronomer Johannes Hevelius . In 1647 , he published a magnificent volume called Selenographia , which was an atlas of the Moon's surface . He titled the features systematically , but ...
... surface as we recognize them today was the German astronomer Johannes Hevelius . In 1647 , he published a magnificent volume called Selenographia , which was an atlas of the Moon's surface . He titled the features systematically , but ...
Page 56
... surface of the seas . If the lumps are largely iron , they would be twice as dense as the ordinary crust of the Moon ... surface you would be subjected to a gravitational interaction only about one thousandth that of the Earth . It is ...
... surface of the seas . If the lumps are largely iron , they would be twice as dense as the ordinary crust of the Moon ... surface you would be subjected to a gravitational interaction only about one thousandth that of the Earth . It is ...
Contents
3THE LUNAR HONORROLL | 3 |
4WORLDS IN CONFUSION | 36 |
BPhysics | 47 |
Copyright | |
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