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Published on: 5/18/2008
Last Visited: 5/18/2008
The densest part of that trail was probably about 30,000 miles (48,000 kilometers) wide, yet Earth, traveling in its orbit around the sun at 18.5 miles per second (29.8 kilometers per second), swept through it in only about a half an hour. What to expectIn 1999, astronomers Robert McNaught and David Asher published a report concerning Leonid dust trails and cited the case of the 1969 outburst.
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Other reputable meteor forecasters such as Thomas Van Flandern of the United States, Esko Lyytinen of Finland and Jeremie Vaubaillon of France confirmed in their own Leonid studies (to within minutes of McNaught and Asher's) that Earth would indeed encounter the 1932 dust trail again in 2006. But while another short-lived outburst seems probable this year, it likely will not be of the same intensity as what was seen in 1969.