The Birth And Death Of The Sun by George Gamow

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

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

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

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

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

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

4. What determines the lifespan of a star?

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

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

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

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

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

7. What will eventually happen to our Sun?

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

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

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

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