All-sky astrometric reduction. Radians, velocities, calculation of meteoroid orbits, databases. Selection effects, sources of errors. Origin, structure and development of meteoroid streams, general characteristics, effects on meteoroids. Orbital similarity criteria and methods of distinguishing showers from sporadic background. Shower activity and mass inflow to Earth. Main meteor showers, minor showers, associations. Meteor storms. Activity modeling and predictions. Parent bodies of meteoroid strams, meteor complexes. Meteor showers of aasteroidal orgin. Sporadic population and its sources. Zodiacal cloud. Spatial structure and physical characteristics of individual components of the population. Geological periods, impact craters.
Outcome:
The student will gain knowledge about research methods, structure and origin of the meteoroid population.
