Duck-Shaped Comet Confounds Astronomers

[Bok]

Comet 67P/Churyumov-Gerasimenko’s incongruous chemical composition and shape raise questions about the origin of our solar system

-- Read more on ScientificAmerican.comhttp://feeds.feedburner.com/~ff/ScientificAmerican-News?i=fjAFdggpDfw:Z-wwi703VIc:V_sGLiPBpWU (http://rss.sciam.com/~ff/ScientificAmerican-News?a=fjAFdggpDfw:Z-wwi703VIc:V_sGLiPBpWU) http://feeds.feedburner.com/~ff/ScientificAmerican-News?i=fjAFdggpDfw:Z-wwi703VIc:gIN9vFwOqvQ (http://rss.sciam.com/~ff/ScientificAmerican-News?a=fjAFdggpDfw:Z-wwi703VIc:gIN9vFwOqvQ) http://feeds.feedburner.com/~ff/ScientificAmerican-News?d=cGdyc7Q-1BI (http://rss.sciam.com/~ff/ScientificAmerican-News?a=fjAFdggpDfw:Z-wwi703VIc:cGdyc7Q-1BI) http://feeds.feedburner.com/~ff/ScientificAmerican-News?d=QXVau8BzmBE (http://rss.sciam.com/~ff/ScientificAmerican-News?a=fjAFdggpDfw:Z-wwi703VIc:QXVau8BzmBE) http://feeds.feedburner.com/~ff/ScientificAmerican-News?i=fjAFdggpDfw:Z-wwi703VIc:F7zBnMyn0Lo (http://rss.sciam.com/~ff/ScientificAmerican-News?a=fjAFdggpDfw:Z-wwi703VIc:F7zBnMyn0Lo) http://feeds.feedburner.com/~ff/ScientificAmerican-News?d=l6gmwiTKsz0 (http://rss.sciam.com/~ff/ScientificAmerican-News?a=fjAFdggpDfw:Z-wwi703VIc:l6gmwiTKsz0) http://feeds.feedburner.com/~ff/ScientificAmerican-News?d=I9og5sOYxJI (http://rss.sciam.com/~ff/ScientificAmerican-News?a=fjAFdggpDfw:Z-wwi703VIc:I9og5sOYxJI) http://feeds.feedburner.com/~ff/ScientificAmerican-News?d=qj6IDK7rITs (http://rss.sciam.com/~ff/ScientificAmerican-News?a=fjAFdggpDfw:Z-wwi703VIc:qj6IDK7rITs) http://feeds.feedburner.com/~ff/ScientificAmerican-News?d=yIl2AUoC8zA (http://rss.sciam.com/~ff/ScientificAmerican-News?a=fjAFdggpDfw:Z-wwi703VIc:yIl2AUoC8zA)
http://feeds.feedburner.com/~r/ScientificAmerican-News/~4/fjAFdggpDfw

More... (http://rss.sciam.com/~r/ScientificAmerican-News/~3/fjAFdggpDfw/)