The purpose of this book is to give a detailed description of the planetary nebulae including the relevant astronomical observations and their interpretation. Considerable attention is given to the evolution of these objects as well as to their physical characteristics. I t is hoped that the book be useful to both advanced research workers and to students with some background in astronomy. In this regard, the book should serve as a text as well as a reference work. The many tables included are expected to be useful for both purposes. The references are generally not included in the text except for historical purposes in an effort to improve readability. References are given at the end of each chapter together with sufficient text to describe their content. No attempt has been made to make the list of references complete; on the contrary it has generally been limited to the most recent literature on the subject which in turn refers to earlier research. Again, exceptions have been made for references of historical interest.
Look up! Discover that Every Planet Has a Place. The Earth is just one of many planets in our solar system. Why is this the perfect place for us to live? Which are the "gas planets?" And why have we changed what we think of Pluto? Then Zigzag into other questions: what does Earth look like from space? Will I ever live on Mars? What experiment can I do to swing a planet into orbit?
Galaxy reading books are a wonderful collection of fiction, non-fiction, poetry and plays to capture the interest of every child, helping to develop a life-long love of reading. Max is a beautiful ginger kitten and his owner adores him! Find out how Max is similar, and also different from his owner, and the important things you need to do to look after a kitten. Reading age: 4-5 years
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