#7: Star Shape in the Sky
When three airplane contrails intersected, they created a giant star in the sky. The shape looked exactly like the doodles many of us drew as kids. Someone spotted the unusual pattern and captured it before the trails faded.

The planes were at different altitudes, so they never came close to colliding. Still, the timing and placement were so precise that their paths formed a perfect star. It was a completely accidental stroke of luck.
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