I mean, on earth, I assume that as sun shine on the day time part of earth, light are dispersed by the sky making our day time sky blue? But how does light gets distributed outside of our atmosphere?
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The ISS sort of experiences a day and night cycle every 90 minutes. This is the time it takes for the space station to orbit the Earth, and every orbit the Earth eclipses the Sun making it dark. You are right that even during the day the sky is dark black on the space station because there is no atmosphere to scatter the light. However it is still very bright as the sun is shining and reflecting off every surface. So there is still daytime as such and all cameras needs to be set to daytime mode in order to not be overexposed, similarly the stars and planets is not visible because the sun is so much brighter.
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