Origins of the Universe Quiz

What is the most widely accepted scientific explanation for the origin of the universe?

• The Steady State Theory

• The Big Bang Theory

• The Oscillating Universe Theory

• The Multiverse Theory

Approximately how many billion years ago did the Big Bang occur?

• 10.5 billion years ago

• 13.7 billion years ago

• 15.2 billion years ago

• 20 billion years ago

During which epoch did gravity split away from the superforce?

• Planck epoch

• Grand unification epoch

• Inflationary epoch

• Electroweak epoch

What was the universe's size during the inflationary epoch?

• The size of a proton

• The size of a grapefruit

• The size of a galaxy

• The size of a football field

Which element was the first to be created in the universe during the radiation era?

• Hydrogen

• Helium

• Carbon

• Oxygen

What process allowed electrons to attach to nuclei for the first time, forming hydrogen?

• Fusion

• Recombination

• Fission

• Ionisation

During which epoch did stars begin to form, marking the current stage of the universe's development?

• Atomic epoch

• Galactic epoch

• Stellar epoch

• Nuclear epoch

What caused the conversion of helium and hydrogen into almost all the remaining elements in the universe?

• Cosmic radiation

• Heat within stars

• Gravitational forces

• Supernova explosions

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