25. The Southern Lights - Earth.com 25. The Southern Lights

The Northern Lights get plenty of attention, but the skies that shine over the Southern Hemisphere are pretty awe-inspiring, too. International Space Station astronauts captured this glowing image of the aurora australis in September 2011. Energy from the Sun sparks these stunning light shows, as it activates the charged particles that can’t escape our planet’s magnetic field.

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