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- 1. Multiple Choice
Which doomsday scenario for our Universe predicts a cold dark death, as a consequence of the second law of thermodynamics?
The big chill/The heat death
The big crunch.
The big bounce.
The big bang.
- 2. Multiple Choice
___________ suggests the our Universe may exist as one of many consecutive birth/death cycles.
The big bounce.
The big bang.
The big chill.
The big crunch.
- 3. Multiple Choice
Which doomsday hypothesis could be described as a reverse big bang, resulting in a hot dense end to our Universe?
The big crunch.
The big bang.
The big chill.
The big bounce.
- 4. Multiple Choice
Which of the following ideas make up the Big Bang Theory?
The Universe is currently expanding.
The Universe was once hot and dense.
The Universe has a finite size.
The Universe is unbounded.
- 5. Multiple Choice
For a homogeneous and isotropic Universe: Positive curvature suggests...
Finite size.
Infinite size.
- 6. Multiple Choice
For a homogeneous and isotropic Universe: Negative curvature suggests...
Finite size.
Infinite size.
- 7. Multiple Choice
For a homogeneous and isotropic Universe: Zero curvature (flat) suggests...
Finite size.
Infinite size.
- 8. Multiple Choice
The Hubble constant (Ho) is...
70 km/s/Mpc
1240 eVnm
6.67x10-11 m3/kgs2
9.8 m/s2
- 9. Multiple Choice
Penzias and Wilson are known for their accidental discovery of the cosmic microwave background and their infamous act of murdering...
pigeons.
dolphins.
snakes.
prairie dogs.
- 10. Multiple Choice
The Hubble constant (Ho) is...
the rate of expansion of the Universe.
the strength of the gravitational force.
the amount of dark matter in the galaxy.
the strength of the electric force.
- 11. Multiple Choice
The mass-energy density of the Universe is...
70% dark energy; 29% matter/dark matter; <1% light.
70% dark energy; 29% light; <1% matter/dark matter.
100% dark energy
70% dark matter; 15% dark matter, 15% light.
- 12. Multiple Choice
The critical mass-energy density is the mass-energy density required for a...
flat universe.
closed universe.
open universe.
- 13. Multiple Choice
Who observed that light from distance galaxies is redshifted?
Hubble
Einstein
Oppenheimer
Herschel
- 14. Multiple Choice
Light from distant galaxies is...
redshifted
blueshifted.
- 15. Multiple Choice
The Hubble Law states...
v = Hod
E = mc2
v = 2πR/t
Rs=2GM/c2
- 16. Multiple Choice
Which object best represents a surface with zero curvature?
Paper
Apple
Banana
Lemon
- 17. Multiple Choice
Which object best represents a surface with positive curvature?
Paper
Basketball
Saddle
Pringles Chip
- 18. Multiple Choice
Which object best represents a surface with negative curvature?
Paper
Basketball
Watermelon
Pringles Chip
- 19. Multiple Choice
The cosmological principle is the idea that the Universe...
is homogeneous.
is isotropic.
has the same physical laws throughout.
looks pretty much the same everywhere on large enough scales.
- 20. Multiple Choice
Select the true statement.
We are at the center of the Universe.
We are at the center of our Observable Universe.
- 21. Multiple Choice
Which of the following did not exist in a Universe younger than 380,000 years old?
protons
neutrons
atoms
photons
- 22. Multiple Choice
Which best describes the concept of a Level 1 Multiverse?
The space far beyond our observable universe might as well be thought of as separate...there may even be copies of our own observable universe out there.
A set of bubble universes, each with its own physical laws and constants.
The set of all mathematical structures representing physical reality.
The many worlds interpretation of QM where every probabilistic outcome creates ever branching universes.
- 23. Multiple Choice
Which best describes the concept of a Level 2 Multiverse?
The space far beyond our observable universe might as well be thought of as separate...there may even be copies of our own observable universe out there.
Bubble universes, each with their own physical laws and constants.
The set of all mathematical structures represented as physical reality.
The many worlds interpretation of QM where every probabilistic outcome creates ever branching universes.
- 24. Multiple Choice
Which best describes the concept of a Level 4 Multiverse?
The space far beyond our observable universe might as well be thought of as separate...there may even be copies of our own observable universe out there.
Bubble universes, each with their own physical laws and constants.
The set of all mathematical structures represented as physical reality.
The many worlds interpretation of QM where every probabilistic outcome creates ever branching universes.
- 25. Multiple Choice
Rewind the expansion...approximately how old is our Universe?
14 billion years old
4.5 billion years old
1 trillion years old
140 million years old
- 26. Multiple Choice
Black holes evaporate through a process called...
Hawking Radiation
Dirac Sublimation
Einsteinian Death
Quantum Emergence
- 27. Multiple Choice
Roughly how many galaxies are in the observable universe?
hundreds of billions
million quadrillions
tens of millions
thousands
- 28. Multiple Choice
If a star is moving towards you, its light will appear at a ______ wavelength.
shorter
longer
- 29. Multiple Choice
If a star is moving away from you, its light will appear at a ______ wavelength.
shorter
longer
- 30. Multiple Choice
What is the recession speed of a galaxy that is 11 Mpc away from us?
770 km/s
6.3 km/s
550 km/s
110 km/s
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