RAINBOW LIGHT PILLARS OVER A WINTER LAKE
RAINBOW LIGHT PILLARS OVER A WINTER LAKE
These are light pillars: when the air is very cold, flat ice crystals float like tiny mirrors and reflect light into vertical columns. If the light source is strong (low sun, bright moon, or even powerful ground lights) and the crystals are just right, the pillars can pick up intense colors and stretch high into the sky. The lake reflection doubles the effect, making it feel even bigger.
You’re most likely to see this on deep-freeze nights in places like northern Canada, where cold air and ice crystals can turn light into pillars above snowy lakes.

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