History of Astronomy |
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Page 80
... His Majesty's Astronomer at the Cape of Good Hope , His Majesty's Astronomer for Scotland , and His Majesty's Astronomer for Ireland are not called Astronomers Royal . cry useful form ; and in the case of the 80 OBSERVATION.
... His Majesty's Astronomer at the Cape of Good Hope , His Majesty's Astronomer for Scotland , and His Majesty's Astronomer for Ireland are not called Astronomers Royal . cry useful form ; and in the case of the 80 OBSERVATION.
Page 84
... Cape of Good Hope ) , and especially in his great researches on Solar and on Stellar parallax , it has been recognised as an instrument of the very highest accuracy , measuring the distance between stars correctly to less than a tenth ...
... Cape of Good Hope ) , and especially in his great researches on Solar and on Stellar parallax , it has been recognised as an instrument of the very highest accuracy , measuring the distance between stars correctly to less than a tenth ...
Page 85
... Cape , he observed the minor planets Iris , Victoria , and Sappho , and secured the co - opera- tion of four other heliometers . His final result was 92,870,000 miles , the parallax being 8 ′′ , 802 ( Cape Obs . , Vol . VI . ) . So ...
... Cape , he observed the minor planets Iris , Victoria , and Sappho , and secured the co - opera- tion of four other heliometers . His final result was 92,870,000 miles , the parallax being 8 ′′ , 802 ( Cape Obs . , Vol . VI . ) . So ...
Page 86
... Cape Observatory , vol . x . , part 3 . 2 The parallax of the sun is the angle subtended by the earth's radius at the sun's distance . 3 A. R. Hinks , R.A.S .; Monthly Notices , June , 1909 . 4 In the Encyclopędia Britannica , article ...
... Cape Observatory , vol . x . , part 3 . 2 The parallax of the sun is the angle subtended by the earth's radius at the sun's distance . 3 A. R. Hinks , R.A.S .; Monthly Notices , June , 1909 . 4 In the Encyclopędia Britannica , article ...
Page 89
... Cape of Good Hope we find Mr. Frank McClean's 24 - inch refractor , with an object - glass prism for spectroscopic work . It would be out of place to describe here the practical adjuncts of a modern equatoreal - the adjustments for ...
... Cape of Good Hope we find Mr. Frank McClean's 24 - inch refractor , with an object - glass prism for spectroscopic work . It would be out of place to describe here the practical adjuncts of a modern equatoreal - the adjustments for ...
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