What shape are rainbows and how do double rainbows form?

Did you know that rainbows are circles? Our fun animation explains why.

[_chxrry.]

Once I've seen a double rainbow! It was amazing since it was the first time I ever seen one!

[fzuzka]

I once saw a rainbow cloud. It was a super beautiful surprise to me as I had never heard of one before. Maybe I'll be lucky to see those rare rainbows, too. Thank you. 💗

[bye]

Yesterday i was in school it was our flag ceremony it was 7 am and then i look up i saw two rainbows or double rainbows i really think its very rare and im not sure what does it mean if you see two rainbows its a reflection on the water but my question is what happens when you see two rainbows??is it a miracle or something?or you will get good luck or its just normal??idk please tell me

[angiethitchener]

i saw a triple rainbow once. In osoyoos bc

[jyotiSingh__]

I get today that rainbow is a circle shaped 😂