What paradox did Olbers propose regarding the night sky?
Evidence for Big Bang Cosmology

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Physics, Science
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11th Grade - University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why the universe is expanding
Why stars are not visible during the day
Why the night sky is dark if the universe is infinite
Why galaxies are evenly distributed
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What did Einstein introduce to reconcile a static universe with his theory of relativity?
The concept of dark matter
The cosmological constant
The theory of general relativity
The idea of black holes
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What discovery by Hubble changed the understanding of the universe?
The existence of black holes
The presence of dark matter
The uniformity of cosmic microwave background
The expansion of the universe
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What did Penzias and Wilson accidentally discover?
The expansion of the universe
The existence of dark energy
The cosmic microwave background radiation
The first black hole
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the Big Bang model predict about the early universe's composition?
A universe with equal parts hydrogen and helium
A universe with no helium
A universe with about 3 to 1 ratio of hydrogen to helium
A universe with more helium than hydrogen
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of the cosmic microwave background radiation?
It disproves the Big Bang theory
It is a remnant from the Big Bang
It supports the steady state model
It is evidence of the universe's static nature
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role do particle accelerators play in cosmology?
They detect dark matter
They measure the speed of light
They test conditions of the early universe
They create new galaxies
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the Big Bang model predict about galaxy formation?
Galaxies have always existed
Galaxies formed 10 billion years after the Big Bang
Galaxies formed about a half a billion years after the Big Bang
Galaxies formed immediately after the Big Bang
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the estimated age of the universe according to the Big Bang model?
13.8 billion years
20 billion years
10.5 billion years
15.2 billion years
10.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are cosmologists confident in the Big Bang model?
It was proposed by Einstein
It is the only model available
It fits all observational data
It is a widely accepted myth
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