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> even a single Merlin engine is too powerful for the almost empty rocket to hover

Indeed. For their last launch, they decided to try landing the booster with three engines rather than one, which brings the whole 'hoverslam' concept to the next level.

This was considered so risky that they didn't try landing it on the barge, for fear of damaging it. Instead, they soft landed on the ocean.

But much to everyone's surprise, it actually worked! There's a picture of the Falcon 9 booster floating awkwardly. Musk said they'll try to tow it to shore.

And all that is really the core of why I love SpaceX: continuous improvement. It's a grand thing!



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