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5 Written questions

5 Matching questions

  1. One explanation for the accelerating expansion for the universe is an undiscovered form of energy called ________________________.
  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. What do small stars become after their red giant stage?
  4. The larger a star is, the ____________ its main sequence will be.
  5. Which law states that the farther away a galaxy is, the faster it is moving away
  1. a white dwarf
  2. b Hubble's Law
  3. c neutron star
  4. d shorter
  5. e dark energy

5 Multiple choice questions

  1. 13.7 billion years
  2. Milky Way
  3. dark matter
  4. black hole
  5. iron

5 True/False questions

  1. What conditions are necessary for nuclear fusion to occur?white dwarf


  2. The coolest stars burn ________, while the hottest stars burn ________.shorter


  3. Stars are born from clouds of dust and gas called __________________.dark matter


  4. 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


  5. What is the most widely accepted explanation for how the universe formed?the universe is expanding


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