Содержание
- 2. Lecture # 4, Solar Astronomy Energy Units - Calorie Calorie (cal) = heat to increase by
- 3. Lecture # 4, Solar Astronomy Very Small Energy Unit, eV Electronvolt (eV) - the amount of
- 4. Lecture # 4, Solar Astronomy Energy unit conversion factors
- 5. Lecture # 4, Solar Astronomy Energy and Power If power is constant E = P ·
- 6. Lecture # 4, Solar Astronomy Power Units Watt (W) = using one J in one second.
- 7. Lecture # 4, Solar Astronomy Power vs. Energy Thus, power is the rate of the energy
- 8. Lecture # 4, Solar Astronomy Solar Energy The SUN: Fusion in the sun – the process
- 9. Lecture # 4, Solar Astronomy The light: particle, wave Particle and wave Light speed, c =
- 10. Lecture # 4, Solar Astronomy Electromagnetic Spectrum
- 11. Lecture # 4, Solar Astronomy Sun Spectrum
- 12. Lecture # 4, Solar Astronomy The Sun Sun has a capacity of 3.86×1026 W 3.86×108 EJ/s
- 13. Lecture # 4, Solar Astronomy How this energy is generated?
- 14. Lecture # 4, Solar Astronomy How this energy is generated? About 74% of the Sun's mass
- 15. Lecture # 4, Solar Astronomy How this energy is generated? The Sun has a surface temperature
- 16. Lecture # 4, Solar Astronomy How this energy is generated? The Sun diameter: 1.4 106 km
- 17. Lecture # 4, Solar Astronomy How this energy is generated? It was Albert Einstein who provided
- 18. Lecture # 4, Solar Astronomy
- 19. Lecture # 4, Solar Astronomy
- 20. The Sun Lecture # 4, Solar Astronomy
- 21. Lecture # 4, Solar Astronomy
- 22. Lecture # 4, Solar Astronomy
- 23. Lecture # 4, Solar Astronomy
- 24. NASA caption: Giant magnetic loops dance on the sun’s horizon in concert with the eruption of
- 25. Lecture # 4, Solar Astronomy
- 26. Lecture # 4, Solar Astronomy
- 27. Lecture # 4, Solar Astronomy
- 28. Sun surface videos https://www.youtube.com/watch?v=ipvfwPqh3V4 https://www.youtube.com/watch?v=0WW1HN0iG0M https://www.youtube.com/watch?v=lpzCSZ7Eerc https://www.youtube.com/watch?v=nmDZhQAIeXM Lecture # 4, Solar Astronomy
- 29. Solar wind The total number of particles carried away from the Sun by the solar wind
- 30. Elementary particles flow from Sun – Solar Wind http://www.independent.co.uk/travel/europe/watch-this-beautiful-timelapse-of-the-northern-lights-over-norway-9735690.htmlhttp://www.independent.co.uk/travel/europe/watch-this-beautiful-timelapse-of-the-northern-lights-over-norway-9735690.html http://www.bbc.com/news/science-environment-28690559http://www.independent.co.uk/travel/europe/watch-this-beautiful-timelapse-of-the-northern-lights-over-norway-9735690.html http://www.bbc.com/news/science-environment-28690559 https://www.youtube.com/watch?v=sBWPCvdv8Bk Lecture # 4, Solar
- 31. Solar Wind Lecture # 4, Solar Astronomy
- 32. Aurora Borealis https://www.youtube.com/watch?v=hsMW7zbzsUs https://www.youtube.com/watch?v=Vdb9IndsSXk https://www.youtube.com/watch?v=pjgvGiEHlNs Lecture # 4, Solar Astronomy
- 33. Lecture # 4, Solar Astronomy How this energy is generated? In 1920 Sir Arthur Eddington proposed
- 34. This actually corresponds to a surprisingly low rate of energy production in the Sun's core—about 0.3
- 35. Lecture # 4, Solar Astronomy
- 36. Lecture # 4, Solar Astronomy How this energy is generated? most of the elements in the
- 37. Lecture # 4, Solar Astronomy 1.5 The future of energy resources Solar Constant = 1366 W/sq.m.
- 38. Lecture # 4, Solar Astronomy
- 39. Earth's rotation Earth's rotation tilts about 23.5 degrees on its pole-to-pole axis, relative to the plane
- 40. Lecture # 4, Solar Astronomy
- 41. Solar Constant Lecture # 4, Solar Astronomy
- 42. Now: go to the article http://www.wired.com/2015/07/pluto-new-horizons-2/ Lecture # 4, Solar Astronomy
- 43. Lecture # 4, Solar Astronomy
- 44. Solar radiation bouncing atmosphere the theoretical daily-average insolation at the top of the atmosphere, where θ
- 45. Lecture # 4, Solar Astronomy
- 46. Airmass In astronomy, airmass is the optical path length through Earth's atmosphere for light from a
- 47. Earth Atmosphere Lecture # 4, Solar Astronomy
- 48. Rayleigh scattering Lecture # 4, Solar Astronomy
- 49. Airmass Lecture # 4, Solar Astronomy “Airmass” normally indicates relative airmass, the path length relative to
- 50. Airmass Atmosphere height = 8.5 ÷ 11 km. Earth's mean radius is 6371 km. Airmass abbreviation:
- 51. Earth Atmosphere Lecture # 4, Solar Astronomy
- 52. Numbers to remember Solar constant = 1366W/m2 Attenuation at AM1 = 27% Scattered light capacity =
- 53. Air mass calculations Lecture # 4, Solar Astronomy
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