Eclipse
The occultation of the Crab Nebula by the solar corona, the extensive outer atmosphere of the Sun, takes place each year in June. The Crab Nebula is a radio source (Taurus A), and, when the occultation occurs, its pattern of radio emission is observed to broaden significantly. The broadening is attributed to scattering of radio-frequency radiation by the density irregularities
posted by EqualPocket @ 5:18 AM
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