"cheap test in home " Winter and Summer

bulb --------10m------------photocamera 1

bulb ---------10m-----------photocamera 2 ---------------->Vo

Vo respect to point 1 ...2...3... ( see doppler drawing )


1730 J. Bradley Aberration ( light need time T for distance 10m ) Vo is very important

photocamera 2 will register the same lumens per biger area
(lower brightness of picture)

think about

Sun ---------150 000 000 -------------Earth ---------> Vo

below my first amatore test in home