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04-27-2015, 05:30 PM
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Venus: Crash Course Astro**my #14
 Venus: Crash Course Astro**my #14 Venus is a gorgeous naked-eye planet, hanging like a diamond in the twilight -- but it's beauty is best looked at from afar. Even though Mercury is closer to the sun, Venus is the hottest... From: CrashCourse Views: 54800   Time: 10:50 More in Education أكثر... 
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العرض الشجري