The Sun
As the nearest star, the Sun is the brightest radiation source in most frequencies, down to the radio spectrum at 300 MHz (1 m wavelength). When the sun is quiet, the galactic background noise dominates at longer wavelengths. During geomagnetic storms, the sun will dominate even at these low frequencies.
Read more about this topic: Astronomical Radio Source
Famous quotes containing the word sun:
“The Sun is satisfied with days.”
—Robert Frost (1874–1963)
“Light breaks where no sun shines;
Where no sea runs, the waters of the heart
Push in their tides;”
—Dylan Thomas (1914–1953)
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