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5 Written questions

5 Matching questions

  1. The coolest stars burn ________, while the hottest stars burn ________.
  2. What object will be created by the supernova when the leftover core is less than about 5 times the mass of the Sun?
  3. One explanation for the accelerating expansion for the universe is an undiscovered form of energy called ________________________.
  4. What conditions are necessary for nuclear fusion to occur?
  5. What happens to the pitch of a car horn as it approaches a listener?
  1. a neutron star
  2. b dark energy
  3. c extreme heat and pressure
  4. d the pitch goes up (increases in frequency)
  5. e red; (yellow, white); blue

5 Multiple choice questions

  1. dark matter
  2. spiral
  3. redshift
  4. hydrogen, helium
  5. The Big Bang Theory

5 True/False questions

  1. From birth to death, our sun is expected to spend a total of __________________ years in its main sequence, before running out of Hydrogen fuel10 billion years


  2. Which law states that the farther away a galaxy is, the faster it is moving awayHubble's Law


  3. Approximately how old is the universe?13.7 billion years


  4. What process creates energy the core of stars?nuclear fusion


  5. What is the name of the galaxy we live in?spiral