The Birth And Death Of The Sun by George Gamow

1. Who is the author of 'The Birth And Death Of The Sun'?

A) Stephen Hawking.
B) Albert Einstein.
C) George Gamow.
D) Carl Sagan.

2. What scientific principle does Gamow explain through the lifecycle of stars?

A) Quantum mechanics.
B) Thermodynamics.
C) Nuclear fusion.
D) Relativity.

3. What happens during the main sequence phase of a star?

A) Helium fuses into carbon.
B) Hydrogen fuses into helium.
C) The star collapses.
D) Iron fuses into heavier elements.

4. What determines the lifespan of a star?

A) Its color.
B) Its mass.
C) The presence of nearby stars.
D) Its distance from Earth.

5. What does Gamow suggest contributes to the sun's energy output?

A) Magnetic fields.
B) Nuclear reactions.
C) Chemical combustion.
D) Geothermal energy.

6. What phenomenon occurs at the end of a massive star's life?

A) Quasar appearance.
B) Black hole formation.
C) Supernova.
D) Planetary nebula.

7. What will eventually happen to our Sun?

A) It will become a red giant and then a white dwarf.
B) It will explode as a supernova.
C) It will become a black hole.
D) It will collapse without any transformation.

8. What did Gamow contribute to cosmology besides his work on stars?

A) The theory of relativity.
B) String theory.
C) Quantum entanglement.
D) The Big Bang theory.

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