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Week 23: Big Bang

8 flashcardsby grenier-m
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1
What creation begins with the creation of time and space?
  • The Universe
  • Gravity
  • Quasars
  • The Big Bang
2
Space rapidly expands and what? (energy/m^3 decreases.)
  • Heats
  • Cools
  • Nothing
  • Radiates
3
At what all the known forces have the same strength, after this they seperate.
  • 10^27
  • 10^-32
  • 10^-37s
  • 10^50
4
The cooling Universe undergoes a phase tranisiton at what kelvin and a large amount of energy is released?
  • 10^-37
  • 10^50
  • 10^-32
  • 10^27
5
The energy that is released in the cooling Universe comes out in what form?
  • Photons and Particles
  • Hot Photons
  • Hydrogen and Helium
  • Dark Matter
6
The universe is extremely what?
  • Cold
  • Hot
  • Full of Energy
  • Full of Dark Matter
7
The universe is now the size of a what?
  • Watermelon
  • Car
  • Soccer Ball
  • House
8
At 3 minutes it is cold enough that what can form and remain stable, but it is too cold for any other heavy element to form?
  • Electrons
  • Dark Matter
  • Hydrogen
  • Helium
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