1836 Baily's beads and 1769 Venus transit. Drawing of the annular solar eclipse viewed by British astronomer Francis Baily (1774-1844) on 15th May 183


1836 Baily's beads and 1769 Venus transit. Drawing of the annular solar eclipse viewed by British astronomer Francis Baily (1774-1844) on 15th May 1836 (upper four sketches). The disc of the Moon (black) is covering the disc of the Sun (white) so that only the Sun's corona (atmosphere) is visible. This is Francis Baily's first drawing of the solar phenomenon known as Baily's beads, where small bead-like spots of sunlight (seen at left of the discs) appear only during a total eclipse and are caused by the Moon's cratered surface. The small sketches at bottom show the transit of Venus that occurred in 1769.


Size: 4200px × 5430px
Photo credit: © ROYAL ASTRONOMICAL SOCIETY/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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