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Apr 25, 2024
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ASTR 1250 - Astronomy II: Stars, Galaxies, and Cosmology This course provides an overview of the structure and evolution of stars, galaxies, and the universe as a whole including cosmology. Studies also include basic celestial motions, the history of modern astronomy, telescopes, and fundamental principles astrophysics.
Prerequisites: none
Co-requisites: none
Minimum Student Competencies Upon completion of ASTR 1250 Astronomy II: Stars, Galaxies, and Cosmology the student will:
- Describe the basic celestial motions of the planets, sun, and moon.
- Discuss the historical development of ideas concerning the solar system’s place in the larger universe and the nature of various deep sky objects from the Enlightenment period to modern times.
- Compare the various techniques used to measure the distances to celestial objects.
- Apply fundamental physics to the study of stars, galaxies, and cosmology.
- Explain the differences and similarities in observing the universe at radio, infrared, visible, ultraviolet, X-ray, and gamma-ray wavelengths.
- Discuss the nature of thermonuclear reactions in the core of the Sun and stars.
- Discuss the layers of the Sun’s atmosphere and the phenomenon associated with each.
- Explain how the motions, temperatures, radii, and masses of stars are determined.
- Discuss the nature of the interstellar medium and its role in the formation of stars.
- Defend the theories regarding the evolution of stars of various masses and their ultimate fates.
- Interpret a Hertzsprung-Russell diagram.
- Justify the modern view of the Milky Way Galaxy’s structure.
- Explain the origin and evolution of the various galactic structures.
- Discuss the significance of the Hubble Law and the Cosmic Microwave Background Radiation.
- Justify the Big Bang theory.
- Discuss the various theories regarding the future of the universe.
General Education Requirement: Physical Science
Credits: 4
Instructional Method Separate Lecture and Lab
Contact Hours: 5 hrs/wk
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