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Largest asteroid to come near Earth in 22 years
tabsey
follow
2
1-25-2008 4:00 AM
236 views
tags:
astronomy
tabsey
says:
Could be worth a peek
1 Comment
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1-25-2008
4:10 AM
thisnamecantbetaken
The asteroid [..] was discovered [..] on 11 October 2007.
Wow. That's just a few months ago. Talk about short notice, huh?
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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://www.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/8f55994c-639b-4b16-a58d-5fd6f1225786/0C3EDCD2-9299-4C30-A45E-13A8A7FAD7DA/" 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/dn13225-largest-asteroid-to-come-near-earth-in-22-years.html?feedId=online-news_rss20" href="http://space.newscientist.com/article/dn13225-largest-asteroid-to-come-near-earth-in-22-years.html?feedId=online-news_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/dn13225-largest-asteroid-to-come-near-earth-in-22-years.html?feedId=online-news_rss20"><P>The largest asteroid to come near the Earth in more than 20 years will make its closest approach on Tuesday, venturing as close as 1.4 times the distance to the Moon. Already, the first radar observations of the space rock reveal it may have formed from two separate asteroids that fell together and stuck.</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/dn13225-largest-asteroid-to-come-near-earth-in-22-years.html?feedId=online-news_rss20"><P>The asteroid, named 2007 TU24, was discovered by the <A target="ns" href="http://www.lpl.arizona.edu/css/">Catalina Sky Survey</A> in Arizona, US, on 11 October 2007. Based on its apparent brightness, astronomers estimated that it was between 150 and 600 metres wide, but it has been too far away for ground-based telescopes to resolve it and determine its actual size and shape.</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/dn13225-largest-asteroid-to-come-near-earth-in-22-years.html?feedId=online-news_rss20"><P>However, on Wednesday, it came close enough to the Earth – about 11 times the Moon's distance – for radar signals to be bounced off its surface. Five hours of observations using NASA's Goldstone radio telescope in California, US, reveal that the asteroid is about 250 metres wide.</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;"> </td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/0C3EDCD2-9299-4C30-A45E-13A8A7FAD7DA/blog/" title="blog or email this clip"><img src="http://content7.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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