Understanding the Universe: From the Big Bang to the Future

What event is believed to have created our universe?

• The Big Freeze

• The Big Crunch

• The Great Expansion

• The Big Bang

Who first noticed that most nebulae were receding from Earth?

• Georges Lemaître

• Albert Einstein

• Veo Slipher

• Edwin Hubble

What did Alexander Friedmann's equations suggest about the universe?

• It is expanding

• It is shrinking

• It is static

• It is contracting

What did Edwin Hubble's measurements reveal about spiral nebulae?

• They are galaxies

• They are stars

• They are comets

• They are black holes

What did Georges Lemaître propose about the universe's expansion?

• It is slowing down

• It started from a single point

• It is constant

• It is reversing

What was the first element formed after the Big Bang?

• Helium

• Hydrogen

• Lithium

• Oxygen

How long after the Big Bang did the first stars form?

• 10 million years

• 100 million years

• 1 billion years

• 10 billion years

What analogy is used to describe the universe's expansion?

• A sponge

• A rubber band

• A loaf of raisin bread

• A balloon

What is the 'Big Freeze' theory about the universe's future?

• The universe will stop expanding

• The universe will explode

• The universe will become too cold to sustain life

• The universe will collapse

What is the 'Big Crunch' theory?

• The universe will split into multiple universes

• The universe will remain static

• The universe will contract back to a hot, dense state

• The universe will expand forever