The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 457
... rays Gamma rays ( y rays ) Cosmic rays approximate wavelength range ( metres ) 10-1,000 1-10 approximate frequency range ( hertz ) 3 X 105-3 X 107 3 X 107-3 X 108 3 X 108-3 X 1011 3 X 1011-4 X 1014 4 X 1014-7 X 1014 1 X 10-3-1 8 X 10-7 ...
... rays Gamma rays ( y rays ) Cosmic rays approximate wavelength range ( metres ) 10-1,000 1-10 approximate frequency range ( hertz ) 3 X 105-3 X 107 3 X 107-3 X 108 3 X 108-3 X 1011 3 X 1011-4 X 1014 4 X 1014-7 X 1014 1 X 10-3-1 8 X 10-7 ...
Page 603
... cosmic rays shattering atoms of carbon , nitro- gen , oxygen , and other elements in the interstellar me- dium . The ... cosmic - ray abundances are consistent with the suggestion that they originate in su- pernovae , being particles ...
... cosmic rays shattering atoms of carbon , nitro- gen , oxygen , and other elements in the interstellar me- dium . The ... cosmic - ray abundances are consistent with the suggestion that they originate in su- pernovae , being particles ...
Page 805
... ray emission , and , rarely , cosmic rays from super flares . By 27 days - one solar ro- tation - the activity has decayed and all spots except the preceding spot have disappeared . Flare activity is greatly reduced , but the bright ...
... ray emission , and , rarely , cosmic rays from super flares . By 27 days - one solar ro- tation - the activity has decayed and all spots except the preceding spot have disappeared . Flare activity is greatly reduced , but the bright ...
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