grid-fin

art SpaceX Falcon 9 Booster Glide

My rendition of a Falcon 9 booster returning to Earth after a launch. The four grid fins are guiding it towards its landing pad as it hurtles downwards at supersonic velocities.

In this image, the Falcon 9 is at about 40km in altitude (with entry burn shutdown having occured seconds earlier) and is less than thirty seconds from the start of the landing burn.

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