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The Formation of Stars Chapter 11. Previous chapters have used the basic principles of physics as a way to deduce things about stars and the interstellar
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Meteorites, Asteroids, and Comets Chapter 25. In Chapter 19, we began our study of planetary astronomy by asking how our solar system formed. In the five
217 views
Uranus, Neptune, and Pluto Chapter 24. In the three previous chapters, we have used our tools of comparative planetology to study other worlds, and we
224 views
Neutron Stars and Black Holes Chapter 14. The preceding chapters have traced the story of stars from their birth as clouds of gas in the interstellar
214 views
The Sun – Our Star Chapter 8. The preceding chapter described how we can get information from a spectrum. In this chapter, we apply these techniques to
217 views
Cosmology in the 21 st Century Chapter 18. This chapter marks a watershed in our study of astronomy. Since Chapter 1, our discussion has focused on learning
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The Interstellar Medium Chapter 10. You have begun your study of the sun and other stars, but now it is time to study the thin gas and dust that drifts
218 views
Note that the following lectures include animations and PowerPoint effects such as fly ins and transitions that require you to be in PowerPoint's Slide
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What are We? How Do We Know? Chapter 1. As you study astronomy, you will learn about yourself. You are a planet walker, and you should understand what
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Galaxies with Active Nuclei Chapter 17. You can imagine galaxies rotating slowly and quietly making new stars as the eons pass, but the nuclei of some
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Stellar Evolution Chapter 12. Stars form from the interstellar medium and reach stability fusing hydrogen in their cores. This chapter is about the long,
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Atoms and Starlight Chapter 7. In the last chapter you read how telescopes gather light from the stars and how spectrographs spread the light out into
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