What is the most frequent cause of a clear, linear procession of lights in the night sky?

Answer

SpaceX’s Starlink mission launch

The visual characteristic of a clear, linear procession of lights appearing simultaneously is most frequently attributed to a batch of SpaceX Starlink satellites being deployed from a Falcon 9 rocket.

What is the most frequent cause of a clear, linear procession of lights in the night sky?

#Videos

Starlink satellites, the string of lights in the night sky. - YouTube

What was the string of lights in the sky over the Youngstown area ...

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