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:
“I never yet knew the sun to be knocked down and rolled through a mud-puddle; he comes out honor-bright from behind every storm. Let us then take sides with the sun, seeing we have so much leisure.”
—Henry David Thoreau (1817–1862)
“As full of spirit as the month of May,
And gorgeous as the sun at midsummer.”
—William Shakespeare (1564–1616)
Related Phrases
Related Words