Cosmic Times 1993 Reading Comprehension

What did scientists discover in 1965 using a radio telescope?

• Background of X-rays

• Background of radio waves

• Background of microwave radiation

• Background of visible light

What is the newly found detail about the 'cosmic microwave background' evidence of?

• The Big Crunch

• The Big Bounce

• The Big Bang

• The Big Freeze

What did the COBE satellite find in 1990 that matched the spectrum of light predicted by the Big Bang theory?

• Inflation

• Cosmic microwave background

• Dark matter

• Gravitational waves

What is the estimated age of the universe in 1993?

• 12-20 billion years

• 20-25 billion years

• 10-15 billion years

• 5-10 billion years

What did the Nobel Prize in Physics in 1993 recognize the discovery of?

• Dark matter

• Inflation

• Cosmic microwave background

• Gravitational waves

What did the ROSAT satellite find between two galaxies that provided evidence for the existence of dark matter?

• Visible matter

• X-rays

• Cold gas

• Hot gas

What did Vera Rubin's study of the Andromeda galaxy suggest the existence of?

• Gravitational waves

• Dark matter

• Inflation

• Cosmic microwave background

What did the COBE satellite observe about the cosmic microwave background?

• High temperature

• Fluctuations in temperature

• Smooth temperature

• No temperature

What is the estimated size of the universe in 1993?

• 20 Billion Light Years

• 10 Billion Light Years

• 30 Billion Light Years

• 40 Billion Light Years

What did the COBE satellite's map of the sky show about the cosmic microwave background?

• Tiny fluctuations

• No fluctuations

• Constant fluctuations

• Large fluctuations