Sun-in-cloud illusion
since March 29, 2016
Professor Kunio Watanabe, Yokohama National University, pointed out this physical illusion.
"Sun-in-cloud illusion"
The sun appears to go through clouds.
Copyright Kunio Wayanabe 2016
Copyright Kunio Wayanabe 2016
An explanation given by Akiyoshi Kitaoka
Akiyoshi Kitaoka 2016 (March 22)
＠Kotobiki Beach
Copyright Akiyoshi Kitaoka 2014 (September 14)
Copyright Akiyoshi Kitaoka 2014 (September 14)