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NASA Prepares for Potentially Damaging 2011 Meteor Shower
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NASA Prepares for Potentially Damaging 2011 Meteor Shower
NASA is assessing the risk to spacecraft posed by the upcoming 2011 Draconid meteor shower, a seven-hour storm of tiny space rocks that has the potential to ding major Earth-orbiting spacecraft like the crewed International Space Station and Hubble Space Telescope.
The meteor shower risk assessment is actually more art than science, and there has been some variation in the projected intensity levels of the 2011 Draconids by meteoroid forecasters. But spacecraft operators are already being notified to weigh defensive steps.
Current meteor forecast models project a strong Draconid outburst, possibly a full-blown storm, on Oct. 8, 2011, according to William Cooke of the Meteoroid Environment Office at NASA's Marshall Space Flight Center in Huntsville, Ala.
The Draconids do present some risk to spacecraft, Cooke confirmed. They could potentially become the next significant event in low-Earth orbit as far as meteoroids are concerned, he added.
Cooke and Danielle Moser of Stanley, Inc., also of Huntsville, presented their Draconid data at Meteoroids 2010 - an international conference on minor bodies in the solar system held May 24-28 in Breckenridge, Colo. The conference was sponsored in part by NorthWest Research Associates/CoRADivision, NASA, Los Alamos National Laboratory and the Office of Naval Research. [link to www.space.com]
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