spectroheliograph वाक्य
उदाहरण वाक्य
मोबाइल
- Deslandres developed the spectroheliograph simultaneously with George Hale.
- In 1908, he used the Zeeman effect with a modified spectroheliograph to establish that sunspots were magnetic.
- The spectroheliograph was invented in 1893 by George Ellery Hale and independently later by Henri Alexandre Deslandres in 1894.
- In 1932, Robert extended the functionality of the spectroheliograph so that it could record motion pictures of the sun.
- The two prism K-alpha spectroheliographs were acquired in 1904 and the H-alpha diffraction grating spectroheliograph was operational in 1911.
- The Spectroheliograph is a similar device, but images the sun at a particular wavelength photographically and is still in use in professional observatories.
- The converging solar beam from the objective can be diverted to a high dispersion spectroheliograph with Littrow arrangement using a 3.43 m achromat.
- The spectroheliograph is an instrument used in astronomy that captures a photographic image of the Sun at a single wavelength of light, a monochromatic image.
- By 1961 the radio-interferometer calibration techniques developed for the spectroheliograph first allowed an antenna system, with 52 " fan beam, to equal the angular resolution of the human eye in one observation.
- At Stanford Professor Bracewell constructed a microwave spectroheliograph ( 1961 ), a large and complex radio telescope which produced daily temperature maps of the sun reliably for eleven years, the duration of a solar cycle.
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