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Aging comets and their meteor showers

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Figure

Figure 1.1 Morphological evolution of comet C/Lulin near perihelion (2009 February 28;2007 N3 (Lulin)
Figure 1.2 Evolution from meteoroid trail into stream:meteoroid ejection from comet209P/LINEAR after 1 (a short arc of meteoroid trail), 50 (a longer arc of meteoroid trail),200 (spread to the entire orbit) and 1000 years (a more spread, dispersed stream)
Figure 1.3 Elements that define an orbit: perihelion distance q, semimajor axis a (note that forclarity, the quantity of 2a is shown in the figure), longitude of ascending node Ω, and argumentof perihelion ω
Figure 1.4 Depiction of the Kuiper belt (inset figure) and the Oort cloud in the Solar System.Rendered by William Crochot (JPL).
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Outline

Basics History of Comet and Meteor Studies Evolution of Comets and Their Meteoroid Streams Dust Model and Kinematics of the Ejecta The Finlayid Puzzle Revisited Modeling the Dust (II) Objects with Detectable Meteor Showers Annual Showers from Old Streams Outbursts from Young Trails Conclusion

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