What is the definition of a geodesic in curved spacetime?

Answer

The straightest possible path between two points in a curved space

A geodesic represents the natural, straightest trajectory an object takes through distorted spacetime geometry, analogous to the shortest route between two cities on Earth's curved surface.

What is the definition of a geodesic in curved spacetime?

#Videos

I finally understood why matter curves spacetime! (My mind is blown)

How does the curvature of spacetime create gravity? - YouTube

gravitymatterspacetimegeneral relativitycurvature