| Refracted light passing through ice crystals in high, thin clouds create haloes. A halo can form around the sun, as in these images. | |
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| Mt. Wilson Observatroy. Copyright ©2000 S. Padilla | Mt. Wilson Observatroy. Copyright ©2000 C. Gino |
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VLA, Socorro, NM. Copyright ©2001 C. Gino |
Union College, Schenectady, NY. Copyright ©2003 C. Gino |
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| Schenectady, NY. Copyright ©2003 C. Gino | Big Bear Lake, CA. Copyright ©2002 C.Gino |
| Haloes can also form around the moon, as in the image below. | |
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| University at Albany. NY, Copyright ©2003 C. Gino | |