When the stars are covered by the Moon, very fast (lasting a few hundredths of a second) brightness fluctuations are observed
| September 22, 2020 | Education
When the stars are covered by the Moon, very fast (lasting a few hundredths of a second) brightness fluctuations are observed. What object are these fluctuations in brightness associated with: the Moon or a star?
Diffraction of a light wave at the edge of the lunar disk leads to the appearance of interference fringes parallel to the edge of the moon. All changes in intensity occur in a very short time – 0.2-0.3 s. Stars with smaller angular diameters produce brightness fluctuations with a greater amplitude, which is used to determine the angular diameters of stars.
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