Proper movement

Proper motion describes different movements of bodies and signals:

• Proper movement (astronomy) , apparent movement in the celestial sphere based on actual movements
• Self-movement (control technology) , movement of a system without external excitation
• Brownian motion , thermally driven proper motion of particles
• Self-movement of a cyclone, see Tropical cyclone: ​​eye
• Proper movement (anthropology)
• the V. a. involuntary - proper movement of body organs, see motility
• a movement by the insured that can rule out the existence of an accident within the meaning of insurance law

This is a disambiguation page for differentiating between several terms identified with the same word.