Falcon 9 launch. The rocket is in the sunlight because it is far enough above the horizon but the camerman is in the pre-dawn. The sequence begins at the moment the lower stage seperates from the upper stage. On the left side the upper stage. It's exhaust plume spreads out as it blasts through the very thin upper atmosphers. On the right side is the plume that was disrupted by the lower stage that is returning to earth. You can see that stage as the small bright dot in the last 1/4 of the video.
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u/Beor_The_Old7 3h ago
Looks cool! What is it actually?