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The triangular "UFO" as seen in footage captured by a telescopic camera on the STEREO-B spacecraft. | YouTube | ridleyja
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NASA Debunks Mysterious Triangular 'UFO'

NASA debunks a mysterious triangular 'UFO'. Learn the truth behind the mysterious triangular 'UFO' as NASA debunks the object using physics.

January 19, 2012
3:00 AM EST

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