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Vor 6 Tagen · The Sun is what we call a broadband emitter: it gives off radiation over a very wide frequency range. The Learmonth solar radio telescopes monitor both the quiet and active Sun, at 245, 410, 610, 1415, 2695, 4995, 8800, and 15400 Mhz.
Vor 5 Tagen · The quiet regions of the solar surface are densely populated with small and weak flux patches. They contain an amount of magnetic flux comparable to what is found in active regions during the peak of the solar cycle. Because of this, it is
Vor 5 Tagen · High in the Sun's atmosphere, the temperature increases, and UV and X- rays are emitted. Some of the radiation is thermal (broadband) and some is line (spectral) radiation. Solar images at different wavelengths depict different altitudes and processes.
Vor 4 Tagen · The solar corona is the outer atmosphere of the Sun, extending from the solar "surface" out into space. It is a region which is difficult to observe, being seen only during solar eclipses or with special equipment. A coronal hole is a large region in the corona which is less dense and is cooler than its surrounds.
Vor 2 Tagen · The Sun is the star at the center of the Solar System. It is a massive, nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating the energy from its surface mainly as visible light and infrared radiation with 10% at ultraviolet energies.
Vor 2 Tagen · Hills of Heaven, is an original Christian Country Gospel Song produced by @HolyHarmonies- [Verse]In the quiet Sunday morning, where the sun begins to rise,...
- 3 Min.
- 540
- Holy Harmonies
Vor 9 Stunden · THE rules of a caravan site may be unwritten – but every traveller knows them. Chantelle Devonshire, 23, who is from Cambridge, has pulled back the curtain for those of us who aren’t fr…