Someone mentioned before (in a comment on another similar news item) that although the rocket is tall, after landing most of its mass is at the bottom: the engi

Someone mentioned before (in a comment on another similar news item) that although the rocket is tall, after landing most of its mass is at the bottom: the engines are heavy, while the rest of the rocket is mostly empty fuel tanks. Hence it is feasible to keep it upright with the relatively small legs.