Answers created by Lachlan D.

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• What does Hubble's constant measure?
  
• Is there anything beyond our Universe?
  
• How are parsecs used in astronomy?
  
• What is some evidence against the big bang theory?
  
• How do scientists take pictures of our universe?
  
• How are tectonic plates able to move?
  
• How do I find the change in a stars parallax angle if given that the distance of the star is 2.6p pc away from us?
  
• How did planets come into existence?