The Universe Quiz

What is the name of the galaxy that we are in?

• Andromeda galaxy

• Whirlpool galaxy

• Milky Way Galaxy

• Triangulum galaxy

What is the diameter of our galaxy?

• 30,000 light-years

• 50,000 light-years

• 75,000 light-years

• 100,000 light-years

What is redshift?

• Increase in observed wavelength of electromagnetic radiation

• Decrease in observed wavelength of electromagnetic radiation

• Increase in observed frequency of electromagnetic radiation

• Decrease in observed frequency of electromagnetic radiation

Light from galaxy A is redshifted. Meanwhile light from galaxy B is blueshifted. What does this mean in terms of their movement relative to the Earth?

• Both galaxies are moving away from Earth

• Galaxy A is moving away from Earth and Galaxy B is moving towards Earth

• Galaxy A is moving towards Earth and Galaxy B is moving away from Earth

• Both galaxies are moving towards Earth

State which of the following provides evidence in support of the Big Bang theory.

• Fusion of hydrogen into helium

• Supernova explosions

• Gravitational attraction

• Redshift of starlight from distant galaxies

What is the Doppler effect?

• Increase in observed wavelength of light

• Decrease in observed frequency of light

• Decrease in observed wavelength of light

• Increase in observed frequency of light

What is the relation of redshift with the expanding universe?

• Redshift indicates an expanding universe

• Redshift indicates a contracting universe

• Redshift indicates a static universe

• Redshift indicates a shrinking universe

What does the observation of redshift from distant galaxies support?

• Multiverse theory

• Big Bang theory

• Pulsating Universe theory

• Steady State theory

What caused the Universe to expand from a single point according to the Big Bang theory?

• Supernova explosion

• Black hole formation

• Giant explosion

• White dwarf collision

What is the approximate age of the Universe according to the Big Bang theory?

• 5 billion years

• 10 billion years

• 14 billion years

• 20 billion years