The Birth And Death Of The Sun by George Gamow

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

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

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

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

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

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

4. What determines the lifespan of a star?

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

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

7. What will eventually happen to our Sun?

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

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

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

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