Diff between Ryden's two 'Introduction to Cosmology' books?

In summary, Barbara Ryden has two Cosmology books available on Amazon, but it seems like the 2013 book is not just a new edition of the older book. It has 20 more pages and is an international edition with new material. However, it is unclear if it is worth the money compared to the older book, which is available at the library. Some additional information and page count can be found on Google Books.
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hobboy
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Barbara Ryden seems to have two Cosmology books, her one https://www.amazon.com/dp/0805389121/?tag=pfamazon01-20 and one https://www.amazon.com/dp/129203971X/?tag=pfamazon01-20. I haven't been able to find any differences between the books online - the 2013 book doesn't seem to be a new edition of the older book. Surely 10 years would bring some new material, but I don't want to have to buy it to find out. Does anyone know anything about this new book?

Alternatively, would anyone recommend the newer book? The older one seem quite good and I can borrow it from the library, but I'd like to get the newer one if it's worth the money.
 
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FAQ: Diff between Ryden's two 'Introduction to Cosmology' books?

1. What is the difference between Ryden's two 'Introduction to Cosmology' books?

The main difference between Ryden's two 'Introduction to Cosmology' books is the level of complexity. The first book, "Introduction to Cosmology", is aimed at undergraduate students and provides a basic understanding of the subject. The second book, "Advanced Introduction to Cosmology", is targeted towards graduate students and researchers and delves deeper into the mathematical and theoretical concepts of cosmology.

2. Do both books cover the same topics?

Yes, both books cover the same topics in cosmology including the Big Bang theory, dark matter, dark energy, cosmic microwave background radiation, and the evolution of the universe. However, the advanced book provides a more in-depth analysis of these topics.

3. Is one book recommended over the other?

It depends on your level of understanding and your purpose for reading. If you are new to the subject or looking for a basic understanding of cosmology, the first book would be a better choice. If you are a graduate student or researcher looking for a more advanced understanding of the subject, the second book would be more suitable.

4. Can both books be used as textbooks?

Yes, both books can be used as textbooks for undergraduate and graduate courses in cosmology. The first book is often used as a textbook for introductory courses, while the second book is used for more advanced courses.

5. Are there any major updates or changes between the two editions?

The first edition of "Introduction to Cosmology" was published in 2003, while the second edition was published in 2017. The updated edition includes new data and discoveries in the field of cosmology, as well as additional chapters on topics such as inflation and the accelerating universe. Therefore, the second edition is more comprehensive and up-to-date compared to the first edition.

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