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Vor 20 Stunden · Why is the Sun's corona so much hotter than the Sun's surface? (more unsolved problems in astronomy) The temperature of the photosphere is approximately 6,000 K, whereas the temperature of the corona reaches 1,000,000–2,000,000 K. The high temperature of the corona shows that it is heated by something other than direct heat conduction from the photosphere. It is thought that the energy ...
Vor 2 Tagen · Sun, star around which Earth and the other components of the solar system revolve. It is the dominant body of the system, constituting more than 99 percent of its entire mass. The Sun is the source of an enormous amount of energy, a portion of which provides Earth with the light and heat necessary to support life.
Vor einem Tag · A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby obscuring the view of the Sun from a small part of Earth, totally or partially. Such an alignment occurs approximately every six months, during the eclipse season in its new moon phase, when the Moon's orbital plane is closest to the plane of Earth's orbit. [1] .
Vor 3 Tagen · Louis XIV (Louis-Dieudonné; 5 September 1638 – 1 September 1715), also known as Louis the Great ( Louis le Grand) or the Sun King ( le Roi Soleil ), was King of France from 1643 until his death in 1715. His verified reign of 72 years and 110 days is the longest of any sovereign.
Vor einem Tag · Ils réparent le soleil pour sauver l'humanité ( résumé du film SUNSHINE de Jon Amiel )-----...
Vor 2 Tagen · Dear Shaded Viewers, PARFUMS QUARTANA, renowned for winning two of the world's most prestigious blindfolded perfume prizes—the Fragrance Foundation Perfume Extraordinaire Award and the Art and Olfaction Awards Independent Category prize—is set to launch their
Vor 6 Tagen · The power of the Sun at the Earth, per square metre is called the solar constant and is approximately 1370 watts per square metre (W/m 2 ). The solar constant actually varies by +/-3% because of the Earth's slightly elliptical orbit around the Sun.
