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The moon

:camera:
?

and, likely just dust or condensed moisture in the atmosphere that is refracting the light shining down from the moon.
like why the moon can appear a different color some nights.
 
I can't remember the term, but I know what you're talking about. There was a thread about it once upon a time here. The time I saw it, the moon looked really distant and the ring was huge. It looked almost like the silhouette of some giant object. Was a bit freaky.
 
Originally posted by: AVAFREAK182
I just went outside and looked up and there is a huge ring of what almost looks like a cloud around the moon.

WTF is it?
its a halo.

they are quite common during winter here in Canada.

Northern Lights are about the coolest thing you will ever see in the sky at night.
 
Originally posted by: Iron Woode
Originally posted by: AVAFREAK182
I just went outside and looked up and there is a huge ring of what almost looks like a cloud around the moon.

WTF is it?
its a halo.

they are quite common during winter here in Canada.

Northern Lights are about the coolest thing you will ever see in the sky at night.

I bet you've never seen an Alien mothership in the sky
 
Originally posted by: tenshodo13
Originally posted by: Iron Woode
Originally posted by: AVAFREAK182
I just went outside and looked up and there is a huge ring of what almost looks like a cloud around the moon.

WTF is it?
its a halo.

they are quite common during winter here in Canada.

Northern Lights are about the coolest thing you will ever see in the sky at night.

I bet you've never seen an Alien mothership in the sky
how many have you seen?
 
I'm a weather observer, and the most common cause of moon halos is cirrostratus cloud. It doesn't mean a whole lot, other than looking neat.
 
It's called a Moon Dog (paraselene). There's an identical phenomenon for the sun called a Sun Dog (parhelion). It's typically seen in colder weather because ice crystals form (in cirrus or cirrostratus clouds) in the atmosphere and reflect/refract the light of the moon, and sometimes it will be multi-colored though very rare that you could see that with the naked eye.
 
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