If my understanding is right, it's not a solid streak it's just the trajectory. So for 30 seconds any motion in the sky is going to create the streak. So it's something moving that creates the streak, the solid red dots inside the streak indicate that there was a blinking light. Get it? Take a look at the picture of the city with the headlights streaking, it's the same effect just those aren't transparent because there were more headlights.
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