Cosmology Quiz

What is the main tool used by cosmologists to explore and study the universe?

• Satellites

• Radar

• Microscopes

• Telescopes

What can the distinctive light barcode from distant objects reveal?

• The object's location

• The object's size

• The object's age

• The object's composition

What is the name of the effect that causes the pitch of sound to change when an object is approaching or receding?

• Doppler effect

• Newton's effect

• Einstein's effect

• Galileo's effect

What can the Doppler shift of light from an object tell us?

• How far away the object is

• What the object is made of

• How big the object is

• How old the object is

Who was the first person to study the light from distant galaxies?

• Edwin Hubble

• Galileo Galilei

• Albert Einstein

• Isaac Newton

What did Edwin Hubble discover about the universe?

• The universe is shrinking

• The universe is contracting

• The universe is expanding

• The universe is static

What gases did the early universe consist of according to the Big Bang theory?

• Oxygen and nitrogen

• Hydrogen and helium

• Carbon dioxide and methane

• Water vapor and ammonia

What is believed to be causing the acceleration of the expansion of the universe?

• Dark matter

• Electromagnetic radiation

• Gravity

• Dark energy

What recent measurements of light from distant dying stars have shown?

• The stars are disappearing

• The stars are farther away than predicted

• The stars are closer than predicted

• The stars are the same distance as predicted