Answers created by Jack L.

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• Which galaxy has the least stars per unit volume?
  
• How was black hole created ??
  
• Scenario: A large solar event disrupted our satellites. Describe the name the solar event. How did it affect the satellites? What was the fallout from this event on Earth
  
• Describe how a satellite is put into orbit around Earth?
  
• Suggest why other doctors were so resistant to Semmelweis' ideas?
  
• What is the Great Attractor?
  
• What are the five eras in Earth's history?
  
• Question #ec32e
  
• Question #08584
  
• What is accretion, and how did it form the Earth?
  
• Segments problem?
  
• How do you solve this system of equations? x+y+z=-1 2x+4y+z=1 x+2y-3z=-3
  
• Question #8bf11
  
• How does Uranus' tilted axis affect its seasons?
  
• Question #647fb
  
• Question #5d3b4
  
• Question #583b0
  
• How does pollution affect carbon cycle?
  
• How would you use the phase diagram of water to explain why ice at the bottom of a glacier can melt when the rest of the glacier which is the same temperature remains solid?
  
• How do us humans know that there are millions of other galaxies? If galaxies are millions of years apart, how do scientists know that there are billions of other galaxies and that andromeda is the closest?
  
• The Pharaohs of Egypt were considered to be descendants of whom?
  
• How do you convert 64 nm to m?
  
• Question #8bd73
  
• What energy source contributes least to global warming?
  
• How do astrophysicists study astroparticles?
  
• How many stars are there in the known universe?
  
• Which books are good to get good knowledge in astrophysics?
  
• How many galaxies are astronomers studying?
  
• Question #e8a2b
  
• What are the Earth's 4 subsystems and their definition?