MORE HARD TO IMAGINE IS PARALLEL SITUTION
we Must add only few word about Inverse Square Law, Turn on/off time , source's power ,
Marosz will see light problem is How Bright Light ( quality of the signal )
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Orac...................300 000 km ...........Marosz >>> 30 km/s
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ABOVE PROBLEM (but not so strange ) use many photographers
( How big Eyes has Got Marosz ( sensitive in manual camera )
How long time need his Eyes to convert Energy ( time in camera ) Colour of the light ? for example Green people see better ! )
Photocamera = Magic Unreal and Untouchtable Unfinished story that started in OLD GREECE ( Leonardo Only used Camera Obscura not Invented !!! )
time, sensitive , colour filtre , distance , power ,angle .. colour intensity , light intensity ... Magic
I forgot about one more nice effect 
