They are weightless in the sense that if they put a bathroom scale on their feet, it would measure zero
The common misconception is that they are experiencing 'zero gravity'.
Zero-gravity is essentially impossible as long as there are atoms in the universe - Anything with mass creates a gravitational field.
As already described, the effect is due to being in a state of freefall.
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HoratioFellatio Taking the the out of psychotherapist, Mon 23 Feb 2015, 17:16,
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I waited over 5 hours for this phrase.
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FeralCatMan Unusual disease collector., Mon 23 Feb 2015, 19:21,
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