astrophy 1 quiz

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School

St. John's University *

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Course

1060

Subject

Astronomy

Date

Feb 20, 2024

Type

pdf

Pages

2

Uploaded by MinisterDogMaster645

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Astrophysics Quiz What is the difference between a star and a planet? Provide examples of each. Describe the main sequence phase of stellar evolution. What determines a star's position on the main sequence? Explain the concept of black holes and how they form. Describe the key features of black holes. Discuss the different types of galaxies in the universe. What are the main differences between spiral, elliptical, and irregular galaxies? Define the term "nebula" and describe the different types of nebulae found in space. Explain the process of nuclear fusion in stars. How does nuclear fusion in the core of a star contribute to its energy production? Discuss the Big Bang theory and the evidence that supports it. What were the major events that occurred during the early universe? Describe the concept of dark matter and dark energy. What evidence suggests the existence of these mysterious components of the universe? Explain the Hertzsprung-Russell diagram and its significance in astrophysics. What information can be inferred from a star's position on the HR diagram? Discuss the concept of cosmic inflation and its role in shaping the universe's large-scale structure. Bonus Question: What is a pulsar, and how is it formed? Describe the properties and behavior of pulsars.
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