Constellations, Galaxies, Universe, and Stars

1. What is the refractive index of a perfect vacuum?

  1. 1
  2. 0
  3. Infinity
  4. 1.33
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Answer: Option A. 1

2. What is another name for the Expanding Universe hypothesis?

  1. Steady State Theory
  2. Oscillating Universe Theory
  3. Multiverse Theory
  4. Big Bang Theory
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Answer: Option D. Big Bang Theory

3. Who developed the theory of special relativity?

  1. Niels Bohr
  2. Albert Einstein
  3. Max Planck
  4. Werner Heisenberg
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Answer: Option B. Albert Einstein

4. Who is credited with formulating the Nebular Hypothesis?

  1. Albert Einstein
  2. Isaac Newton
  3. Galileo Galilei
  4. Immanuel Kant
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Answer: Option D. Immanuel Kant

5. Which of the following represents the value of the Hubble constant?

  1. 50 km/s/Mpc
  2. 70 km/s/Mpc
  3. 100 km/s/Mpc
  4. 150 km/s/Mpc
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Answer: Option B. 70 km/s/Mpc