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Do objects and people cast shadows inside the International Space Station?

6 Nov 2016, 09:21 UTC
Do objects and people cast shadows inside the International Space Station?
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Do astronauts cast shadows in space?Astronaut Mike Hopkins casts a spoon shadow. Image courtesy of NASA.I've been thinking about shadows a lot, and also space stations. This has involved reading about habitability studies, an area I started to investigate when I was writing about Skylab a few years ago. The point of this line of enquiry is whether shadows are considered when the interiors of space stations are designed. Perhaps they contribute to creating a feeling of homeliness. Perhaps a lack of shadows is something characterising a laboratory environment, or a solitary confinement cell, or a padded cell, and hence to be avoided. Astronauts are, after all, under constant surveillance. You can hide things in shadows. Things can hide themselves in shadows.It's worth observing that a shadowless environment can occur when you have no light, or when you have too much light.Part of the answer to this is how, when, where and with what the ISS is illuminated. It appears that the lighting at present is a combination of fluorescent and LED. A perusal of images of the interior shows that there are certainly shaded areas, and more highly illuminated areas. The restricted interior space, and the curvature will also ...

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