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Updated: Sep 20, 2026

Influence of Hybrid Perovskite Fabrication Methods on Film Formation, Electronic Structure, and Solar Cell Performance
Published on: February 27, 2017
Mach bands change asymmetrically during solar eclipses
John Ross1, Mark R Diamond, David R Badcock
1School of Psychology, University of Western Australia, Crawley, Australia. jr@psy.uwa.edu.au
Abstract:
Observations made during two partial eclipses of the Sun show that the Mach bands on shadows cast by the Sun disappear and reappear asymmetrically as an eclipse progresses. These changes can be explained as due to changes in the shape of the penumbras of shadows as the visible portion of the Sun forms crescents of different orientation.
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