Astronomy - AQA Physics (Individual Science/Triple)

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  • Created by: Ash
  • Created on: 04-04-18 14:28

1. CMBR ( Cosmic Microwave Background Radiation) comes from every direction in space. Where is it from?

  • Radiation created at the beginning of the universe
  • Every star in space emitting radiation
  • Black Holes leaking radiation from another dimension
  • Supernovas - constantly happening in every direction in space
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2. Stars much much bigger than the sun end up as what?

  • Neutron Stars or Black Holes
  • Black Holes
  • Neutron Stars
  • Black Dwarfs

3. Approximately what temperature is CMBR?

  • -270 degrees Celsius
  • 0K (Absolute Zero)
  • Fluctuating temperatures from -420 to 80 degrees Celsius
  • -55.12 degrees Celsius

4. What does a decrease in the ISS's speed mean (when at a constant height) ?

  • It will provide them with gravity
  • It will fall down to the Earth
  • It will be attracted to the Sun and move towards it
  • It will fly out into space

5. When a satellite is in orbit, it has a constant speed but a changing direction. What does this mean?

  • It's about to get shot out into space
  • Imminent crash-landing
  • Changing velocity
  • Imminent Explosion
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