Quote:
Originally Posted by neutralino  A geodesic isn't a straight line. It is the four dimensional analog of the three dimensional straight line. That is, it is the shortest "distance" between two events in a 4 dimensional manifold. |
Your point is acknowledged, here, neutralino.
My illustration is a simplification.
Long distance aviators, for example, travel on curved geodesics, routinely, while maintaining a stable altitude above a round earth.
Your clarification is appreciated.
Best regards,
- RP