What observation strongly suggests the lights are objects deployed together in orbit, like Starlink satellites?

Answer

All lights move at the exact same velocity and direction, maintaining relative spacing.

When lights maintain identical velocity, direction, and relative spacing, it strongly indicates they originated from a single event, such as a coordinated satellite deployment.

What observation strongly suggests the lights are objects deployed together in orbit, like Starlink satellites?

#Videos

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

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lightobservationskysatellitephenomenon