The statement that the International Space Station does not rotate for artificial gravity is a matter of direct, everyday observation and established aerospace fact, requiring no citation.
The claim is a straightforward, easily verifiable factual statement about the design of the International Space Station (ISS), which does not incorporate any rotating sections for artificial gravity. Per the instructions, statements that are trivially true by direct observation or well-established physical reality are classified as COMMON_KNOWLEDGE, requiring no papers and leaving the index lists empty.