Orionid meteor shower lights up weekend sky
Posted: 10/22/2012
The night sky put on a show this weekend.
The highly-anticipated Orionid meteor shower peaked Saturday night in the Northern Hemisphere, sending silver fireballs streaking through the sky.
It happens each October and is caused by the Earth intersecting the dust trail from Halley's comet.
The flashes are parts of the comet burning up in the Earth's atmosphere.
At the peak of the shower, at least 20 meteors flashed across the sky in one hour.
Copyright CNN
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