![calculus - Why is the distance between two circles/spheres that don't intersect minimised at points that are in the line formed by their centers? - Mathematics Stack Exchange calculus - Why is the distance between two circles/spheres that don't intersect minimised at points that are in the line formed by their centers? - Mathematics Stack Exchange](https://i.stack.imgur.com/zynW3.png)
calculus - Why is the distance between two circles/spheres that don't intersect minimised at points that are in the line formed by their centers? - Mathematics Stack Exchange
![analytic geometry - How to find the distance between a point and line joining two points on a sphere? - Mathematics Stack Exchange analytic geometry - How to find the distance between a point and line joining two points on a sphere? - Mathematics Stack Exchange](https://i.stack.imgur.com/BdHxo.png)
analytic geometry - How to find the distance between a point and line joining two points on a sphere? - Mathematics Stack Exchange
How to prove the statement 'The shortest distance between two points is a line' using Euclidean geometry - Quora
![analytic geometry - Coordinates of interception point Y with XY being the shortest distance of X to AB on sphere - Mathematics Stack Exchange analytic geometry - Coordinates of interception point Y with XY being the shortest distance of X to AB on sphere - Mathematics Stack Exchange](https://i.stack.imgur.com/ODlB1.png)
analytic geometry - Coordinates of interception point Y with XY being the shortest distance of X to AB on sphere - Mathematics Stack Exchange
![Q: Given two points on the globe, how do you figure out the direction and distance to each other? | Ask a Mathematician / Ask a Physicist Q: Given two points on the globe, how do you figure out the direction and distance to each other? | Ask a Mathematician / Ask a Physicist](https://www.askamathematician.com/wp-content/uploads/2018/07/longway.jpg)