References

Jupsat Pro Astronomy Software

Secrets of the Deep Sky

Get Instant Access

1. W.J. Baggaley, R.G. Bennett, D.I. Steel and A.D. Taylor, Q. J. R. astr. Soc. 35 (1994) 293.

2. W.J. Baggaley and R.G. Bennett, in Physics, Chemistry, and Dynamics of Interplanetary Dust, ASP Conf. Ser. 104: IAU Colloq. 150 (1996) 65.

3. A.F. Cook, in Meteor Research Program by A.F. Cook, M.R. Flannery, H. Levy II, R.E. McCrosky, Z. Sekanina, C.-Y. Shao, R.B. Southworth and J.T. Williams, NASA CR-2109, Smithsonian Astrophysical Observatory, Washington DC, 1972.

4. D.P. Galligan and W.J. Baggaley, part I of this paper, this volume.

5. G. Kronk, Meteor Showers: A Descriptive Catalog, Enslow Astronomy Series, 1988.

6. B.A. Lindblad, in Third International Symposium on Asteroids, Comets, Meteors (eds. C.-I. Larerkvist, P. Magnusson and H. Rickmann) Uppsala, Sweden (1989).

7. B.A. Lindblad, Planet. Space Sei. 42 (1994) 133.

8. J. Rendtel, R. Arlt and A. McBeath (eds.), in IMO Monograph No.2: Handbook for Visual Meteor Observers, International Meteor Organisation, 1995.

12. R.B. Southworth and G.S. Hawkins, Smithson. Contrib. Astrophys. 7 (1963) 261.

13. harvarditemTaylorl991Taylorl991 A.D. Taylor, PhD Thesis in Dept. of Physics and Astronomy, University of Canterbury, Christchurch, New Zealand, 1991.

14. A.A. Weiss, Mon. Not. R. astr. Soc. 120 (1960) 387.

Predictability in meteoroid stream evolution D.J. Asher a aArmagh Observatory, College Hill, Armagh, BT61 9DG, UK

Each time an active comet returns to perihelion, it releases particles that progressively stretch into a dense, narrow trail of meteoroids and dust. When a section of a trail makes a close approach to a planet, particles are scattered into the meteoroid stream as a whole. Before trails disperse chaotically into the stream (which in turn is before the stream disperses into the zodiacal background) they not only remain narrow, but also undergo a dynamical evolution that is quite predictable. Since meteor storms occur when the Earth passes through dust trails, calculation of gravitational perturbations enables the prediction of meteor storms and outbursts. Although this chaotic scattering limits trail lifetimes, parts of trails that are in mean motion resonances can remain coherent over substantially longer timescales. Approaches to Earth have been the main cause of dispersing trails in the Leonid stream over recent centuries.

Was this article helpful?

0 0
Telescopes Mastery

Telescopes Mastery

Through this ebook, you are going to learn what you will need to know all about the telescopes that can provide a fun and rewarding hobby for you and your family!

Get My Free Ebook


Post a comment