The stages of the life cycle of a star

Posted: September 17th, 2022

Answer each of the following questions in 1 to 3 paragraphs. Each answer is worth five points. Be sure to answer these questions in your own words.
1. Describe the components of the geocentric view of the universe that was held by the early Greeks. How did Ptolemy account for the motions of the celestial bodies in his model?
2. List and describe two of the minor members of the solar system.
3. The change from ancient to modern astronomy wasnt easy. It required considerable work and commitment by five key scientists. List and describe the contributions made to modern astronomy by Nicolaus Copernicus, Tycho Brahe, Johannes Kepler, Galileo Galilei, and Sir Isaac Newton.
4. Explain what criteria determines whether a planet is to be considered either Jovian or terrestrial. Identify the Jovian and terrestrial planets. Briefly describe each planet, incorporating the peculiarities of each.
5. Describe stellar parallax and explain how one would mathematically measure and calculate the distance to a star using this method.
6. Discuss Earths moon. Elaborate on the following: maria, craters, regolith, highlands, and theories on the moons origin.
7. Describe the major types of galaxies and provide exam- ples of each.
8. List and explain the stages of the life cycle of a star.
9. Describe the arrangement and properties of main- sequence stars, including temperature, size, and color, on the Hertzsprung-Russell diagram. Describe white dwarfs and red giants.
10. Discuss the big bang theory and the evidence that supports it. Explain how some scientists regard it as an adequate explanation of the origin of the universe.

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