III.5.2. Motion of a Particle in a Disk

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We write the equations of motion for a solid particle in a disk. The drag force is acting of a particle by gas in a disk. We solve the motions of equation and find the migration speed of a solid particle. We calculate the timescale for a particle to fall toward a central star.

#Astrophysics #Physics #Planet #Formation #Star #Disk #Science

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