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Evidence for the Big Bang Theory and Stars' Life Cycles - Prof. Kevin G. Marty, Study notes of Geology

Imperial Valley CollegeGeology
Prof. Kevin G. Marty

The big bang theory and the life cycles of stars. It covers the three main forms of evidence for the big bang theory, the evolution of the universe between 1.5 minutes and 10 minutes after its formation, the definition and layers of the sun, the factors determining a star's size and density, the sun's fate, the formation of elements heavier than iron, the phenomena of supernovas and neutron stars, the possibility of black holes in our solar system, and the potential for life on planets orbiting population ii stars. It also includes multiple-choice questions.

Typology: Study notes

Pre 2010

Uploaded on 08/19/2009

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Chapter 24: Stars, Space and Galaxies
1. (a) Outline the three main forms of evidence to support the support the big bang theory.
(b) what happened between 1.5 minutes and 10 minutes after the Universe formed that greatly affected its
evolution?
2. What is a light year? How far is it in kilometers?
3. Match the Sun's layers in column A with its corresponding feature in column B:
Column A Column B
1. Core _____ a. Sunspots
2. Photosphere _____ b. Spicules
3. Radiative Zone _____ c. Prominences
4. Chromosphere _____ d. nuclear reactions
5. Corona _____ e. photon absorption, emission
4. What opposing factors determine the size and density of a star?
5. Explain how the Sun will destroy the Earth in a few billion years.
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Chapter 24: Stars, Space and Galaxies

  1. (a) Outline the three main forms of evidence to support the support the big bang theory. (b) what happened between 1.5 minutes and 10 minutes after the Universe formed that greatly affected its evolution?
  2. What is a light year? How far is it in kilometers?
  3. Match the Sun's layers in column A with its corresponding feature in column B: Column A Column B
    1. Core _____ a. Sunspots
    2. Photosphere _____ b. Spicules
    3. Radiative Zone _____ c. Prominences
    4. Chromosphere _____ d. nuclear reactions
    5. Corona _____ e. photon absorption, emission
  4. What opposing factors determine the size and density of a star?
  5. Explain how the Sun will destroy the Earth in a few billion years.

What will happen to our Sun after it becomes a Red Giant (what is its next stage, and how will it get there)?

  1. How do elements heavier than iron form?
  2. (a) What is a supernova? Do all stars eventually explode as supernovas? (explain). (b) Now what is a neutron star? Do all supernovas lead to the formation of neutron stars?
  3. Could a black hole be hidden in our Solar System? Why or why not?
  4. Would you be likely to find life on planets that are orbiting around a population II star? Explain.
  5. Arrange the following in a sequence representing the life history of a star. (1) supernova; (2) hydrogen fusion in core; (3) contracting nebula; (4) formation of a red giant; (5) protostar; (6) helium fusion in core; (7) neutron star; (8) collapse: ____ ____ ____ ____ ____ ____ ____ _____. Mult Choice:
  6. Black holes are formed from stars that are: (a) less than one solar mass; (b) 1.44 to 4 solar masses; (c) 4 to 5 solar masses; (d) more than 5 solar masses.