Week 5: Galaxies to Black Holes

 

  1.  What did you do in lab today? What was the big question? 
  • Lifecycles of Stars
    • Stars do not live forever
    • Stars are out during the day-- hidden by sun/ clouds
    • Stars are different sizes
    • Most stars are bigger than the Sun
    • Larger the mass: Shorter the life cycle
    • New stars come from interstellar gas and dust
    • During a stars main sequence phase it turns hydrogen into helium
  • Meteors, Meterorites, Crates, and Comets
    • Meteor;Meteors are space rocks that burn up in Earth's atmosphere
    • If a meteor makes it through the atmosphere and lands on Earth is a meteorite
    • Bigspace rocks can leave craters when they hit the Earth
    • Shooting stars are actually fireballs
  • Galaxies
    • https://docs.google.com/presentation/d/1ahSmZM_Ve2_wRpgmHNu7HxeM3KO3hh5j-OI3pqYQBfM/edit?usp=sharing
  • Black Holes
    • Black holes are objects that are not actually holes
      • huge clusters of matter that are packed into very small spaces
    • Density is so dense that not ven light can escape
  1. What did you learn in Thursday's discussion?
    1. https://docs.google.com/document/d/17ccWQ98xY5yoaOLPW8LIv4Ne2f5AhYOXhW6TGIx2fWs/edit?usp=sharing
  2. Read the online textbook, Chapter 5:
    1. What did you learn?
      1. I learned about comets and how they are made of ice, dust, and rocky material. Due to this, when they orbit the sun they heat up and release gas and dust that forms the tail.
    2. What was most helpful?
      1. The differences between meteors, meteorite, and comets was the most helpful to me because they all seemed too similar that they overlapped to me. 
    3. What do you need more information on?
      1. I am confused on how they got an image of the entire Milky Way galaxy if we are located in the galaxy (image taken in Chile) 
  3. What questions, concerns, and/ or comments do you have?
    1. none

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