Right, of course I understand that - but two points.<p>1) The whole original post appears to be worded for the layman to try and dispel myths around what orbit is. I don&#x27;t think the layman is going to think about inertial frames of reference, rather I genuinely think the common misconception that there&#x27;s really something &#x27;pulling&#x27; the astronauts up will continue, much like many people think a car is throwing them out of a bend in the road, rather than the vehicle pushing them away from a straight line.<p>2) In any case, even if Musk implies the frame of reference, there&#x27;s a reason a &#x27;centrifugal force&#x27; is also referred to as a &#x27;fictitious force&#x27; [1]<p>[1]: <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Fictitious_force" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Fictitious_force</a>