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spectroheliograph

spectroheliograph

spectroheliograph Sentence Examples

  • Spectroheliograph >>

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  • The Five-foot Spectroheliograph of the Mount Wilson Solar Observatory (camera lens, camera slit and plate carrier in section).

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  • It is evident that by the use of a spectroheliograph of sufficiently high dispersion, photographs may be taken of vapours in the sun represented by lines narrower than those of calcium and hydrogen.

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  • Such work has been in progress both at Mount Wilson and at Meudon, and the erection of a spectroheliograph of 75 ft.

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  • The calcium flocculi, on account of the brilliant reversals of the H and K lines to which they give rise, and the protection to the plate afforded by the diffuse dark bands in which these bright lines occur, are easily photographed with a spectroheliograph of low dispersion.

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  • A spectroheliograph which gives excellent results with the lines of calcium, hydrogen and iron is shown in the figure.

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  • An electric motor, belted to a screw (1 or 1') connected with the spectroheliograph, is then started.'

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  • The screw moves the spectroheliograph at a perfectly uniform rate across the fixed solar image.

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  • The spectroheliograph, originally designed for photographing the solar prominences, disclosed in its first application at the Kenwood Observatory (Chicago, 1892) a new and unexplored region of the sun's atmosphere.

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  • The first photographs of the sun in hydrogen light were made with the spectroheliograph in 1903.

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  • For details of the coelostat applied to the Snow telescope - the most perfect installation for spectroheliograph and bolometer work yet erected - see The Study of Stellar Evolution by Prof. G.

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  • He invented the spectroheliograph first used in 1892 for photographing solar prominences and won an international reputation for his solar and stellar spectroscopic work.

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  • Hale devised on the same principle the " spectroheliograph," an instrument by which the sun's disk can be photographed in calcium-light by imparting a rapid movement to its image relatively to the sensitive plate; and the method has proved in many ways fruitful.

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  • The Five-foot Spectroheliograph of the Mount Wilson Solar Observatory (camera lens, camera slit and plate carrier in section).

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  • It is evident that by the use of a spectroheliograph of sufficiently high dispersion, photographs may be taken of vapours in the sun represented by lines narrower than those of calcium and hydrogen.

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  • Such work has been in progress both at Mount Wilson and at Meudon, and the erection of a spectroheliograph of 75 ft.

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  • SPECTROHELIOGRAPH, an instrument for photographing the sun with monochromatic light.

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  • The calcium flocculi, on account of the brilliant reversals of the H and K lines to which they give rise, and the protection to the plate afforded by the diffuse dark bands in which these bright lines occur, are easily photographed with a spectroheliograph of low dispersion.

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  • A spectroheliograph which gives excellent results with the lines of calcium, hydrogen and iron is shown in the figure.

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  • An electric motor, belted to a screw (1 or 1') connected with the spectroheliograph, is then started.'

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  • The screw moves the spectroheliograph at a perfectly uniform rate across the fixed solar image.

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    0
  • The spectroheliograph, originally designed for photographing the solar prominences, disclosed in its first application at the Kenwood Observatory (Chicago, 1892) a new and unexplored region of the sun's atmosphere.

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  • The first photographs of the sun in hydrogen light were made with the spectroheliograph in 1903.

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  • For details of the coelostat applied to the Snow telescope - the most perfect installation for spectroheliograph and bolometer work yet erected - see The Study of Stellar Evolution by Prof. G.

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  • He invented the spectroheliograph first used in 1892 for photographing solar prominences and won an international reputation for his solar and stellar spectroscopic work.

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  • Hale devised on the same principle the " spectroheliograph," an instrument by which the sun's disk can be photographed in calcium-light by imparting a rapid movement to its image relatively to the sensitive plate; and the method has proved in many ways fruitful.

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  • SPECTROHELIOGRAPH, an instrument for photographing the sun with monochromatic light.

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