NASA analysis of asteroid risk deeply flawed, critics say


	NASA analysis of asteroid risk deeply flawed, critics say

Octane

5-27-2007 3:12 AM

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tags:

nasa, space, asteroid impact, astronomy

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/041508e1-612c-4c92-8a3b-85c9d9c4e9e2/E969E1AB-93B1-429A-BAFA-E45EEEF5521F/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://space.newscientist.com/article.ns?id=dn11901&feedId=space_rss20" href="http://space.newscientist.com/article.ns?id=dn11901&feedId=space_rss20" style="font-size: 11px;">space.newscientist.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://space.newscientist.com/article.ns?id=dn11901&feedId=space_rss20"><H2 class="inline">NASA analysis of asteroid risk deeply flawed, critics say</H2></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://space.newscientist.com/article.ns?id=dn11901&feedId=space_rss20"><P>A NASA working document on ways to find and deflect celestial objects that might threaten Earth is deeply flawed in ways that exaggerate the cost and difficulty of the programme, critics say.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://space.newscientist.com/article.ns?id=dn11901&feedId=space_rss20"><P>In December 2005, the US Congress gave NASA one year to submit plans for a survey that would catalog 90% of all potentially hazardous near-Earth objects – spanning at least 140 metres across – by the end of 2020. </P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://space.newscientist.com/article.ns?id=dn11901&feedId=space_rss20"><P>In March 2007, the agency delivered to Congress only a sketchy <A target="ns" href="http://www.nasa.gov/pdf/171331main_NEO_report_march07.pdf">27-page report</A> that lacked any detailed analysis, a budget or an implementation plan. It recommends continuing NASA's annual $4.1 million search for asteroids down to 1 kilometre across. But it does not address searches for smaller asteroids, saying flatly, "due to current budget constraints, NASA cannot initiate a new program at this time".</P></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/E969E1AB-93B1-429A-BAFA-E45EEEF5521F/blog/" title="blog or email this clip"><img src="http://content9.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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