On 04 Mar, 2012 By walter.macdonal...
Transit of Venus 2012: Eye Safety
B. Ralph Chou, M.Sc., OD
Associate Professor, School of Optometry, University of Waterloo
Watching the profile of Venus as it passes across the Sun during a transit is a wonderful demonstration of the way the solar system works. Over the course of several hours, Venus traces a path across the disk of the Sun, then leaves, in what can be thought of as an extreme example of an annular eclipse of the Sun.
Continue Reading