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

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

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

4. What determines the lifespan of a star?

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

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

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

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

A) Supernova.
B) Black hole formation.
C) Quasar appearance.
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 collapse without any transformation.
C) It will become a black hole.
D) It will explode as a supernova.

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

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

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