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The Exploration of the Earth's Magnetosphere"

The Polar Aurora ("Northern Lights")

The ribbons of the aurora are caused by fast electrons accelerated along magnetic field lines, which guide them into the high polar atmosphere.

Their glow arises around 100 km (60 miles), when they hit the denser atmosphere,.

Learn more on the web page Secrets of the Polar Aurora.

The Polar Aurora ("Northern Lights")

The ribbons of the aurora are caused by fast electrons accelerated along magnetic field lines, which guide them into the high polar atmosphere. Their glow arises around 100 km (60 miles), when they hit the denser atmosphere,. Learn more on the web page Secrets of the Polar Aurora.

The ribbons of the aurora are caused by fast electrons accelerated along magnetic field lines, which guide them into the high polar atmosphere.

Their glow arises around 100 km (60 miles), when they hit the denser atmosphere,.

Learn more on the web page Secrets of the Polar Aurora.