The Birth And Death Of The Sun by George Gamow

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

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

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

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

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

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

4. What determines the lifespan of a star?

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

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

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

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

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

7. What will eventually happen to our Sun?

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

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

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

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