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Guide to the Sun
Kenneth J. H. Phillips,Stephen M. White +1 more
- 15 Oct 1992
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TL;DR: The history of solar observation from sun worship to the space age can be found in this article, where the authors present a glossary for observing the Sun and other stars, including the heliographic co-ordinates of a sunspot.
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Abstract: 1. History of solar observation: from sun worship to the space age 2. Solar interior 3. The solar photosphere 4. The solar chromosphere 5. The solar corona 6. The active Sun 7. The Sun and the solar system 8. The Sun and other stars 9. Solar energy 10. Observing the Sun Epilogue Glossary Appendices: physical and astronomical constants finding the heliographic co-ordinates of a sunspot Bibliography.
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Citations
Automated McIntosh-Based Classification of Sunspot Groups Using MDI Images
Tufan Colak,Rami Qahwaji +1 more
TL;DR: The results show that the automated grouping and classification of sunspots is possible with a high success rate when compared to the existing manually created catalogues and the system can detect and classify sunspot groups in their early stages, which are usually missed by human observers.
Formation of a hydrogen plasma from an incandescently heated hydrogen-catalyst gas mixture with an anomalous afterglow duration
TL;DR: In this article, the authors report the generation of a plasma of hydrogen and certain alkali ions as recorded via EUV spectroscopy and the hydrogen Balmer and alkali line emissions in the visible range.
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What characterizes planetary space weather
Jean Lilensten,Andrew J. Coates,Véronique Dehant,Thierry Dudok de Wit,Richard B. Horne,François Leblanc,Janet G. Luhmann,Emma Woodfield,Mathieu Barthelemy +8 more
TL;DR: In this article, the authors explore what characterizes planetary space weather, using some examples throughout the solar system, and discuss several developments of space weather interactions including the effects on planetary radiation belts, atmospheric escape, habitability and effects on space systems.
Observation of extreme ultraviolet hydrogen emission from incandescently heated hydrogen gas with strontium that produced an anomalous optically measured power balance
TL;DR: In this paper, the power balance of a gas cell having atomized hydrogen and strontium was measured by integrating the total light output corrected for spectrometer system response and energy over the visible range.
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Temporal behavior of light-emission in the visible spectral range from a Ti–K2CO3–H cell
TL;DR: In this article, the authors reported the generation of a hydrogen plasma and extreme ultraviolet emission as recorded via the hydrogen Balmer emission in the visible range using a tungsten filament that heated a titanium dissociator coated with potassium carbonate.
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