#1
What is the estimated age of the universe according to the Big Bang theory?
13.8 billion years
ExplanationAge of the universe based on Big Bang model.
#2
Which scientist proposed the Big Bang theory?
Georges Lemaître
ExplanationOriginator of the Big Bang theory.
#3
What is the name of the process by which stars generate energy?
Nuclear fusion
ExplanationEnergy generation mechanism in stars.
#4
Which element is most abundant in the universe?
Hydrogen
ExplanationPredominant element in the cosmos.
#5
What is the primary source of heavy elements like gold and uranium in the universe?
Supernova explosions
ExplanationEvents responsible for creating heavy elements.
#6
What is the cosmic microwave background radiation?
Radiation left over from the Big Bang
ExplanationResidual radiation from Big Bang, fills universe.
#7
What is dark matter?
Invisible matter with gravitational effects
ExplanationUndetectable matter influencing gravity.
#8
What is the Hubble constant used for in cosmology?
Measuring the rate of the universe's expansion
ExplanationParameter describing universe's expansion rate.
#9
What is a quasar?
A powerful and distant celestial object
ExplanationHighly luminous and distant cosmic entity.
#10
Which space mission provided crucial data supporting the Big Bang theory by measuring cosmic microwave background radiation?
Planck Satellite
ExplanationSpacecraft validating Big Bang via CMB data.
#11
What is the name of the process by which a massive star ends its life in a colossal explosion?
Supernova
ExplanationCatastrophic stellar explosion at end of life.
#12
What is the shape of the universe?
Flat
ExplanationSpatial geometry of the universe.
#13
What is the fate of the universe according to current cosmological models?
Continued expansion
ExplanationPredicted long-term destiny of the cosmos.
#14
What is the term for the boundary around a black hole beyond which nothing can escape its gravitational pull?
Event horizon
ExplanationBoundary delineating black hole's grasp.
#15
What is the primary evidence for the inflationary theory of the early universe?
Detection of gravitational waves
ExplanationKey proof supporting early universe's rapid expansion.
#16
In the context of cosmology, what does the term 'cosmic inflation' refer to?
Rapid expansion of the universe in a fraction of a second
ExplanationSwift enlargement of the universe post-Big Bang.
#17
What is the primary component of dark energy, the mysterious force driving the accelerated expansion of the universe?
Quintessence
ExplanationElusive energy source propelling universe's expansion.