Aurora Borealis — Nature's Moving Light Monument
Across the northern skies, nature sometimes creates a spectacle that no human artist could reproduce—the Aurora Borealis, or Northern Lights.
It occurs when charged particles from the Sun interact with gases in Earth's upper atmosphere. The result is a magnificent display of moving light, often appearing as green ribbons, waves and curtains dancing across the night sky. Other colours can also appear.
Unlike a mountain or canyon, the aurora has no fixed shape. It is constantly changing, appearing, disappearing and reshaping itself.
People living in Arctic regions have watched these lights for centuries and woven them into their stories and traditions.
Perhaps that is what makes the aurora such a fitting natural monument: it cannot be touched, measured like a building or preserved in stone.
It is a monument that exists only for the moment—and then becomes a memory in the sky.
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