3 ms·

Circumnavigating the earth in an airplane is straight forward.

• bombcar 4y ago
  Depending on your frame of reference "straight forward" will launch you into space.
  • tremon 4y ago
    Depending on your frame of reference "keep perfectly still" will launch you into space. But how would that be a useful choice?
    • bombcar 4y ago
      I was referring to whether a "straight forward line" would be tangent to the surface of the Earth (i.e., straight) or curved to follow the globe.