So SpaceX has conducted its first flight test of its next gen passenger capsule, StarShip, which will be able to carry up to 100 people at a time when it goes into operation.

They flew it 150m into the air, then extruded landing struts and landed it.

But what, precisely, were they testing? It was unmanned and looked like pretty much just the shell of the vehicle

Deploying legs and landing? Done that before. The engines? It used one Raptor engine, which is already being used in live missions. This test used just one engine, when the final vehicle will use six together

I just cant figure out what they were testing