SpaceX’s Falcon 9 booster lands on land.

A vapor cone can be seen when going from supersonic to subsonic speed.

Along with that, local residents also experience Sonic Boom.

The course is controlled by moving the Grid Fins on top of the Booster to control the flow of air.

Extend the landing legs only just before landing to avoid affecting aerodynamics. The center of pressure should be located behind the center of gravity for stable flight.

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