It is possible to rotate or turn in space without external propulsion.
the verdict
SUPPORTED
the evidence backs this
confidence 88/100
An isolated system can rotate or reorient itself in space without external propulsion by utilizing internal movable parts, relying on the conservation of total angular momentum.
Evidence for · 4
Active tails enhance arboreal acrobatics in geckos.
2008 · cited by 114
Demonstrates that an isolated animal (gecko) can perform air-righting maneuvers and change orientation in mid-air with zero total angular momentum using internal body movements.
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More for · 3
Zero-Disturbance Control of Free-Floating Space Manipulators Using Integral-Type Sliding Mode Control
2015 · cited by 12
Shows that a free-floating space system can adjust its spacecraft attitude and rotate without external propulsion by exploiting internal joint movements via angular momentum conservation.
Self-Driven Fractional Rotational Diffusion of the Harmonic Three-Mass System.
2019 · cited by 5
Proves mathematically and physically that an isolated nonrigid system can freely change its orientation in space due to the nonholonomic nature of angular momentum conservation.
Orientation Control System: Enhancing Aerial Maneuvers for Quadruped Robots.
2023 · cited by 2
Confirms that quadruped robots can control and adjust their orientation in mid-flight without external propulsion using internal reaction wheels based on the conservation of angular momentum.