Not true, atmosphere range is dependent on composition, gravity and volume/density. A lot of low trajectory orbit satelites are within atmosphere, Also space is not empty, Earth even in relatively clean space picks up tonnes of cosmic dust each year, there is no reason we cant be much near a nebula (which is like a city smog bubble unnoticeable while on inside). Also if door just opened atmosphere in airlock had just been vented to equalise pressure and all the water in air would have frozen instantly.
That is light from within, probably the airlock that opened.
There's no real definition of where space starts, as the atmosphere doesn't have an edge to call one.
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My fav astro physics youtube channel.
But I'd think, if there's enough atmosphere/dust to see reflected light like that, you wouldn't be in orbit for very long hehe. The further or thicker the atmosphere is, the further out you'd have to be to orbit. A viable orbit wouldn't be determined by any said distance, but where it becomes possible.
Hell, clean air at ground level doesn't give off much light. Light glows off lamps are a large part of video game stuff just for nice visuals. Like lense flairs when you're using your eyes in 1st person.
Edit: Also, the ship should be super bright as that's full sun with no atmosphere blocking. So any said light scattering would be blocked out anyway. Also any area not in direct light should be very dark. Shadows and light are much more binary if there's no reflecting source. As in pic below, the 'dark' side of the guy is lit because of the light reflection off the moon (in all directions), but the moon in his shadow is pitch black as there's no light from above due to no atmosphere.
But wouldn't go crazy over it as with many things in space, if you got it more realistic, folks would probably just find it weird and not like it, as in lots of space stuff.