A solar phenomenon known as a sundog arcs over the tundra in churchelloll , manitoba , canada .
加拿大马尼托巴省丘吉尔苔原上出现了幻日光弧这类日光现象。
Analogous to a sundog or parhelion , the paraselene is produced by moonlight shining through thin , hexagonal-shaped ice crystals in high cirrus clouds .
类似于假日或幻日，近幻月是月光透过高空卷云中的六角形的薄冰晶而形成的。
Anthropologist elizabeth marshall thomas says dogs can fall in love and she documents a remarkable love story between " sundog " and " bean " in her book " the social lives of dogs . "
