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Jul 01, 2025
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Catalog 2023-2024 [ARCHIVED CATALOG]
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PH 208 Astronomy: Stars Lecture Hours: 3 Lab Hours: 3 Credits: 4
Focuses on stellar coordinates and sidereal time, the nature of light and the spectroscope, and the birth and death of stars.
Prerequisite: Placement into WR 115 (or higher), or completion of WR 090 (or higher); and placement into MTH 095 (or higher, except MTH 098 ), or completion of MTH 070 (or higher, except MTH 098 and MTH 105Z ); or consent of instructor. (All prerequisite courses must be completed with a grade of C or better.) Student Learning Outcomes:
- Relate stars to the physical and chemical properties that exist in outer space.
- Relate observational evidence to the conclusion astronomers make about the birth, evolution, and death of stars.
- List and explain the significant stages in a star’s old age.
- Discuss the formation of white dwarfs, Newton stars and black holes.
- Identify the various physical fractures of the sun and discuss how it is used as a model star.
- Collect and interpret scientific information from experiments and observations to generate results and further questions.
- Use the scientific method to evaluation the competing models of stellar formation.
Statewide General Education Outcomes:
- Gather, comprehend, and communicate scientific and technical information to explore ideas, models, and solutions and generate further questions.
- Apply scientific and technical modes of inquiry, individually, and collaboratively, to critically evaluate existing or alternative explanations, solve problems, and make evidence-based decisions in an ethical manner.
- Assess the strengths and weaknesses of scientific studies and critically examine the influence of scientific and technical knowledge on human society and the environment.
Content Outline Required textbook for college credit: Openstax Astronomy, Fraknoi, Morrison, and Wolf
- The Celestial Sphere
- Stellar coordinate system
- Sidereal time
- The spectroscope
- Spectra
- The atom
- Atomic spectra
- Make observation of several different spectra and analyze what is seen through the spectroscope
- List several ways emission spectra of different elements vary from one another
- Stellar spectra
- Information yielded by spectra
- Star Color
- Stellar brightness scale
- Varieties of stars
- The Hertzprung - Russel Diagram
- Variable stars
- Binary stars
- Fusion Reactions in
- Stars Stellar Evolution
- Gravitational condensation
- Stars out of protostars
- What critical observation suggests that stars form according to current models
- Conditions of stability
- Stars like the sun
- Death of stars
- Death of massive stars
- Death of medium and massive stars
- White dwarfs to red giants
- Novae and supernovae
- Pulsars
- What critical observations confirm the existence of Pulsars
- Neutron stars
- Elements of general relativity
- Black holes
- What critical observations confirm the existence of Black Holes
- The Sun
- History
- Sun’s interior
- The photosphere
- Sun’s atmosphere
- Sunspots
- Plages
- Flares
- Prominences
- Filaments
- Sun’s rotation
- Solar magnetic field
- Effects of Solar Activity on the Earth’s Atmosphere
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