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