You know it’s cold when…

… There are sundogs outside!

So what is a sundog? It’s this:


That beautiful circular rainbow around the sun is known as sundog and is caused by ice particles floating in the air, reflecting light (same process as a rainbow, just much colder). The ice crystals act like a prism, bending the light that passes through them and giving the appearance of a rainbow.

These don’t just appear because of the cold, but are usually visible when the sun is low on the horizon on very cold days.


One thought on “You know it’s cold when…

  1. Pingback: You know it’s cold when… — That Canadian Girls Blog | Le Bien-Etre au bout des Doigts

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