Will it just be a harmless passing or will it threaten human existence? Keck Observatory livestream is now off air for some reason news.discovery.com/space/keck-live-asteroid-2005yu55-111108.html www.foxnews.com/scitech/2011/11/08/city-block-size-asteroid-2005-yu55-to-buzz-by-earth-today/ abcnews.go.com/blogs/politics/2011/11/national-emergency-alert-test-to-be-held-wednesday/ www.tgdaily.com/space-features/44487-russia-plans-nuclear-rocket-for-manned-mars-mission For my radio show with Francis and his show, links are here: thetruthergirls.wordpress.com/2011/11/08/yu55-asteroid-is-it-a-threat/