ESS1.1 The Universe and Its Stars

What is the purpose of a cosmograph?

• To map the galaxies in the universe

• To study the composition of stars

• To analyze the motion of galaxies

• To measure the expansion of the universe

What is the main idea behind the Big Bang Theory?

• The universe is infinite and expanding

• The universe is contracting and getting smaller

• The universe is static and lacking movement

• The universe is composed of mainly hydrogen and helium

What did Edwin Hubble discover in 1929?

• Cosmic Microwave Background Radiation

• Red Shift

• Hydrogen and Helium

• Doppler Effect

What does the Red Shift phenomenon indicate?

• Galaxies are moving away from each other

• Galaxies are rotating

• Galaxies are moving towards each other

• Galaxies are stationary

What is the Cosmic Microwave Background Radiation (CMB)?

• Afterglow of the Big Bang

• Microwaves emitted by galaxies

• Remnants of energy from the Big Bang

• Static coming from every direction in the sky

What are the main elements that make up the universe?

• Nitrogen and Silicon

• Hydrogen and Helium

• Iron and Nickel

• Oxygen and Carbon

Who coined the phrase 'Big Bang'?

• Isaac Newton

• Fred Hoyle

• Albert Einstein

• Edwin Hubble

What is the expansion of the universe compared to?

• Balloons being inflated

• Water flowing down a river

• Fireworks exploding in the sky

• Raisins in a rising cake

What is the estimated age of the Big Bang?

• 100,000 years

• 10,000 years

• 13.7 billion years

• 1 million years

What force allows stars and galaxies to be created?

• Electromagnetism

• Friction

• Nuclear fusion

• Gravity