Why has the moon been looking so large and so orange?

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by Jeff Renner

Bio | Email | Follow: @Jeffrennerwx

KING5.com

Posted on June 10, 2009 at 9:32 PM

Updated Thursday, Jan 14 at 9:20 AM

Why has the moon been looking so large and so orange lately?

The moon looks biggest when it's closest to the horizon. The arc of its path through the sky varies from one part of the year to the next; right now, because of the tilt of the earth's axis. Right now, the arc keeps the moon fairly low in the sky for a longer period. The orange color is due to the moonlight passing through a thicker part of the earth's atmosphere; there's a lot of smoke (together with the usual suspects-pollutants, water vapor and pollen) in the air, thanks or no thanks to forest fires over British Columbia.

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