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    PBS Space Time
            Did Life on Earth Come from Space?
                
                    
                        
                            Season 5
                        
                    
                    
                        
                            Episode 4
                        
                    
                
            
            
            How did life on Earth get started? Did life on Earth originate on another planet? Either Mars, or in a distant solar system? Could Earth life have spread to have seeded life elsewhere? Let’s see what modern science has to say about the plausibility of panspermia.
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          14:33
        
      
    
  
  
                    
                
            We may have solved the mysterious origins of supermassive black holes in our universe.
        
        
     
    
                        
  
  
    
      
    
  
  
    
      
        
          16:30
        
      
    
  
  
                    
                
            Does antimatter fall down, or does it fall up?
        
        
     
    
                        
  
  
    
      
    
  
  
    
      
        
          14:29
        
      
    
  
  
                    
                
            Could cosmic voids be driving the universe?
        
        
     
    
                        
  
  
    
      
    
  
  
    
      
        
          17:53
        
      
    
  
  
                    
                
            Is there a black hole hiding in the core of the Sun eating it from the inside out?
        
        
     
    
                        
  
  
    
      
    
  
  
    
      
        
          19:19
        
      
    
  
  
                    
                
            What if we aren't the first technological civilization on Earth?
        
        
     
    
                        
  
  
    
      
    
  
  
    
      
        
          19:03
        
      
    
  
  
                    
                
            Many World’s lack wavefunction collapse might be the key to the measurement problem.
        
        
     
    
                        
  
  
    
      
    
  
  
    
      
        
          18:32
        
      
    
  
  
                    
                
            The holy grail of physics is a quantum theory of gravity. What if it’s not possible?
        
        
     
    
                        
  
  
    
      
    
  
  
    
      
        
          18:32
        
      
    
  
  
                    
                
            Alien life will most likely be discovered by faint changes in the color of alien sunsets.
        
        
     
    
                        
  
  
    
      
    
  
  
    
      
        
          12:05
        
      
    
  
  
                    
                
            The 2023 Physics Nobel prize has been awarded to three physicists for attosecond physics.
        
        
     
    
                        
  
  
    
      
    
  
  
    
      
        
          15:59
        
      
    
  
  
                    
                
            With the James Webb Space Telescope we’ve now seen the earliest star ever detected.
        
        
     
    
                        
  
  
    
      
    
  
  
    
      
        
          17:24
        
      
    
  
  
                    
                
            Some are arguing that Many Worlds and Pilot Wave are really the same.
        
        
     
    
                        
  
  
    
      
    
  
  
    
      
        
          18:00
        
      
    
  
  
                    
                
            What if we could produce superconductivity at room temperature? It would change the world.
        
        
     
     
     
     
     
     
     
     
     
     
     
    