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Science Friday
:: Planetary Science
Top Stories | November 8
:: More in Planetary Science
Rock solid planet
Researchers have found the first compelling evidence for a rocky planet beyond the solar system.
Atmospheric rollercoaster followed Great Oxidation Event
Analyses of chromium isotopes in banded iron formations suggest oxygen levels fell for a period after the Great Oxidation Event.
Celestial population boom
Large meteoroids are probably more common than telescopic surveys suggest, new analyses find.
Stars go kaboom, spilling cosmic secrets
Astronomers hope type 1a supernovas will help in quest to explain dark energy
Comet likely culprit in Tunguska blast
Analysis of shuttle plume movement suggests Tunguska event could have caused clouds over London.
:: Science News
11|7 Issue Links
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Science & the Public H1N1: Call to revise flu-mask policy
 By Janet Raloff Nov 6th 2009
Undeclared
On the Scene A little bit of gamma-ray music
 By Science News Staff Nov 5th 2009
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Vigdor Teplitz
Comment NATO committee fosters science’s role in security
By Vigdor Teplitz Nov 6th 2009
Julie Rehmeyer
Math Trek The four color problem gets a sharp new hue
 By Julie Rehmeyer Mar 6th 2009
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SN Special: The Science of Slumber
Interview: Murray Gell-Mann
SN Special: Darwin Turns 200
2008: Science News of the Year
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