 | 1919 - 462 pàgines
...arguments. 4. ASTRONOMICAL REFRACTION Newcomb. states in his Compendium of Spherical Astronomy (p. 223): There is, perhaps, no branch of practical astronomy on which so much has been written as on this (astronomical refraction) and which is still in so unsatisfactory a state. The difficulties connected... | |
 | United States. National Bureau of Standards - 1918 - 856 pàgines
...arguments. 4. ASTRONOMICAL REFRACTION Newcomb states in his Compendium of Spherical Astronomy, page 223: 4 There is, perhaps, no branch of practical astronomy on which so much has been •written as on this (astronomical refraction) and which is still in so unsatisfactory a state. The difficulties connected... | |
 | 1919 - 858 pàgines
...arguments. 4. ASTRONOMICAL REFRACTION Newcomb states in his Compendium of Spherical Astronomy (p. 223): There is, perhaps, no branch of practical astronomy on which so much has been written as on this (astronomical refraction) and which is still in so unsatisfactory a state. The difficulties connected... | |
 | Charles Lane Poor - 1922 - 350 pàgines
...refraction, even in the earth's atmosphere, is very confused and complicated. Newcomb in 1906 wrote, "There is, perhaps, no branch of practical astronomy...which so much has been written as on this and which still is in so unsatisfactory a state." In view of these different, often conflicting, formulas, with... | |
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There is, perhaps, no branch of practical astronomy on which so much has been written as on this (astronomical refraction) and which is still in so unsatisfactory a state. The difficulties connected with it are both theoretical and practical. The theoretical... 