SciShow Space
      What Would Happen If the Planets Lined Up? (2014x52)
      
      Ημερομηνία προβολής: Σεπ 30, 2014
      Planetary alignments: They’re the favorite astronomical scenario of kooks, con artists, and Hollywood producers everywhere. But has it ever happened? And what would it do to Earth if it did? 
     
    
      
        
        
          
            - Πρώτη προβολή: Απρ 2014
 
            - Επεισόδια: 878
 
            - Ακόλουθοι: 1