What exactly is the Big Bang Theory? How do we know the universe is expanding? What is a black hole? Does a Planet X exist? What came before the Big Bang? How many galaxies are in the universe? These are just six of the 50 questions answered in this fact-filled guide to the latest findings and theories in astronomy. Concise yet authoritative, it is the perfect reference for the thoughtful reader who doesn't have the luxury of time.
Terence Dickinson is a prolific science writer specializing in astronomy. More than one million copies of his 14 books are in print in five languages. His best-known book, NightWatch: A Practical Guide to Viewing the Universe, is widely regarded as the essential guidebook for beginning stargazers. NightWatch, first published in 1983, now has over 600,000 copies in print, making it the top-selling stargazing guide in the world during the past 20 years. Each new edition has outsold the previous one because of extensive revisions and the addition of new material.
I really like this book. The term "planet X" in the title makes it seem like it might be a bit fringey or "out there," but it's not. He answers the 50 most asked questions, and people apparently ask about planet X.
I've learned so far that all the stars we can see with the naked eye are part of the Milky Way. In fact, we can't see any stars unaided outside our "neighborhood" of the arm of the Milky Way that we reside in. That's a new perspective for me. I've learned more about the Big Bang, where the idea came from, why it's such a strong theory, and why Big Expansion is more accurate. And I haven't even read all about stars and planets yet.