steve_bank
Diabetic retinopathy and poor eyesight. Typos ...
On Star Trek the captain commands 'all stop!'. The navigator relies 'forward motion stopped captain'.
A practical question for space travel. If you think you are stopped in deep space, how do you know?
In the solar system going from Earth to Moon is based on known relative velocities and positions relative to solar system coordinates.
It would be the same question for alleged ET visitors performing precision navigation over light years distance in a constantly changing galaxy.
A practical question for space travel. If you think you are stopped in deep space, how do you know?
In the solar system going from Earth to Moon is based on known relative velocities and positions relative to solar system coordinates.
It would be the same question for alleged ET visitors performing precision navigation over light years distance in a constantly changing galaxy.