Big Bang - Quiz
A) An empty void B) A flat disc C) An extremely hot and dense point D) A fully formed galaxy
A) Quantum theory B) String theory C) Steady State theory D) The Big Bang theory
A) Albert Einstein B) Isaac Newton C) Georges Lemaître D) Stephen Hawking
A) Volcanic eruptions B) Cosmic microwave background radiation C) Archaeological findings D) Fossil records
A) Attraction B) Contraction C) Stagnation D) Inflation
A) WIMP (Weakly Interacting Massive Particle) B) Neutrino C) Quark D) Photon
A) Event Horizon B) Singularity C) Nebula D) Decay
A) Voyager B) COBE (Cosmic Background Explorer) C) Hubble Space Telescope D) Mars Rover
A) Collapsing B) Expanding C) Stagnating D) Reversing
A) 15 billion years ago. B) 20 billion years ago. C) 10 billion years ago. D) 13.787±0.02 billion years ago.
A) Physicist Alexander Friedmann in 1922. B) Edwin Hubble in 1929. C) Albert Einstein in the early 1900s. D) Georges Lemaître in 1931.
A) The universe is contracting over time. B) Galaxies remain stationary relative to each other. C) Galaxies are moving away from Earth at a rate that accelerates proportionally with distance. D) The universe has always been static.
A) The accelerating expansion of the universe. B) The slowing down of cosmic expansion. C) The formation of black holes. D) The creation of dark matter particles.
A) The expansion of the universe is accelerating. B) Galaxies remain stationary relative to each other. C) The universe has always been static. D) The universe is contracting.
A) The inflationary model. B) The cyclic model. C) The steady-state model. D) The Big Bang model.
A) The cosmological principle B) The universality of physical laws C) General relativity D) Perfect fluid assumption
A) Fine-structure constant B) The cosmological principle C) General relativity D) Perfect fluid model
A) 10−5 B) 10% C) 10−3 D) 10−7
A) 1% inhomogeneity B) 50% inhomogeneity C) 100% homogeneity D) About 10% inhomogeneity
A) It can be modeled as a perfect fluid B) It consists only of dark energy C) It is non-uniform D) It has high viscosity
A) Electromagnetic radiation B) Direct observation C) Indirect evidence D) Particle collision experiments
A) Fred Hoyle B) Robert Herman C) George Gamow D) Ralph Alpher
A) 3.000 K B) 2.7255 K C) 2.726 K D) 372±14 kyr
A) They are based on incorrect assumptions. B) They only apply to black holes. C) Because the temperature approaches the Planck scale, requiring quantum gravity treatment. D) They do not account for dark energy.
A) Iron-56, Silicon-28, Magnesium-24 B) Uranium-238, Thorium-232, Lead-206 C) Helium-4, Helium-3, Deuterium, Lithium-7 D) Carbon-12, Nitrogen-14, Oxygen-16
A) Luminous matter B) Baryonic matter C) Dark matter D) Dark energy
A) Big Bang nucleosynthesis (BBN) B) Recombination C) Symmetry-breaking phase transitions D) Mass annihilation
A) 70.4+1.3−1.4 km/s/Mpc B) 30 km/s/Mpc C) 50 km/s/Mpc D) 100 km/s/Mpc
A) Helium-3 B) Lithium-7 C) Deuterium D) Helium-4
A) Cosmic microwave background radiation B) Redshift–magnitude relation for type Ia supernovae C) Gravitational lensing frequency D) Baryon acoustic oscillations
A) Approximately 2.7255 K B) 372±14 kyr C) 2.726 K D) 3.000 K
A) Baryonic matter B) Photons C) Antimatter particles D) Dark energy
A) Cosmic microwave background radiation B) Primordial gravitational waves C) Black hole mergers D) Dark matter particles
A) Alexander Friedmann B) Vesto Slipher C) Edwin Hubble D) Georges Lemaître
A) Observing light emissions B) Analyzing galaxy cluster velocities C) Laboratory experiments D) Measuring cosmic microwave background radiation
A) 50% B) 60% C) 73% D) 85%
A) Dark energy B) Horizon problem C) Cosmic microwave background radiation D) Baryon asymmetry
A) March 1949 B) 1953 C) 1931 D) 1927
A) 10% B) Up to 90% C) 25% D) 50%
A) Alexander Friedmann B) Georges Lemaître C) Edwin Hubble D) Vesto Slipher
A) a² + b² = c² B) v = H₀D C) E = mc² D) F = ma
A) They measure visible matter density B) They detect dark matter particles directly C) They help study galaxy clusters D) They modify gravitational laws
A) Ylem B) Cosmic egg C) Primeval atom D) Quantum singularity
A) Georges Lemaître B) Edwin Hubble C) Fred Hoyle D) Arthur Eddington
A) Edwin Hubble B) Albert Einstein C) Astronomer Fred Hoyle D) Georges Lemaître
A) Light emitted today may never reach very distant objects B) The finite age of the universe C) The presence of dark matter D) The speed at which light travels
A) Quantum phase transitions B) Thermal phase transitions C) Symmetry-breaking phase transitions D) Gravitational phase transitions
A) 4.6% B) Less than 1% C) 23% D) 73%
A) Beyond the observable universe B) The exact end state C) Finite durations D) Infinite timescales
A) 20–30% B) 5–10% C) 10–15% D) 40–50%
A) 1978 B) 2003 C) 1964 D) 1989
A) 27% B) 5% C) 68% D) 100% |
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