The Astronomy Cafe

Provides answers to over three hundred of the most commonly asked questions about astronomy posed to author Sten Odenwold on the "Ask the Astronomer" page of his award-winning Web site "The Astronomy Cafe"; grouped by topic

This book brings together accurate and easily understood answers to the 365 questions people most often ask about astronomy. It's a handy guide for both the seasoned star-gazer and the curious novice. Based on Sten Odenwald's popular "Ask the Astronomer" page from his award-winning website The Astronomy Cafe, this book ranges from the arcane to the mundane. It is well organized by topic, making it easy to look up anything; but it's also a pleasure to browse. Want to know what fraction of the universe is made up of antimatter? Check p. 162. Want to know how astronomers actually measure the distance to other galaxies? Check p. 112. Odenwald also provides a handy glossary, on-line resources, and a collection of useful tables.

How fast does gravity travel? When will the sun go nova? Who invented the light year? Will we ever travel to the stars? These are just some of the unusual and popular questions NASA astronomer Sten Odenwald answers in Back to the Astronomy Café, based on his award-winning website "for the astronomically disadvantaged." Since his acclaimed earlier book The Astronomy Café published in 1998, the space community has been turned on its head with entirely new discoveries: ion propulsion, dark matter, gravity and magnetic reversals, the Cosmic Dark Ages, and over 100 new planets. In the all-new Back to the Astronomy Café, Odenwald answers the latest and most-asked questions relating to these recent discoveries. His highly personal and authoritative style makes understanding the cosmos less intimidating, exciting, and fun.Since he opened his website "The Astronomy Café" in 1995, Odenwald has answered over 50,000 e-mailed questions. His individual answers have been downloaded over 7.5 million times, making him the most sought-after "answer man" for astronomy in human history.

This reference book consists of questions submitted by the public and Odenwald's answers, taken from the author's "Ask the Astronomer" internet website at the Astronomy Cafe. This is a compilation of the Top-100 questions answered at The Astronomy Cafe between 1995 and 2013 from an archive of over 3000, which were requested over 10 million times. The topics range from Higgs bosons and the nature of gravity, to extra solar Earth-like planets and global warming. There is also a collection of tables that include a list of the known nearby black holes, the most distant objects we know in the universe, and upcoming asteroids that may hit Earth. The general reader may find this easy to read reference an enjoyable way to learn about these topics.

Explore the Stargate SG-1 universe as never before with the expertise and insight of noted professionals from a diverse range of fields: from archaeology to parasitology to science fiction, I.STEPPING EM Stargate the Throughis a fascinating collection of essays that delve into every aspect of iStargate

The World Wide Web is loaded with science and science-related material. For everyone who wants to learn more about this amazing resource, Ed Renehan has compiled this fun and informative guide to what's out there, what's interesting, what's new and who's doing it. Whether your interest is in artificial intelligence, Hubble Space Telescope images, or the latest dinosaur findings, the best sources and how to reach them are right here.

Whether searching for extra-terrestrial life, managing the effects of space weather or learning about dark matter, the study astrophysics has profound implications for us all. NASA scientist and astronomer Sten Odenwald explains the key concepts of this vast topic, bringing clarity to some of the great mysteries of space. These include: • The theory of relativity • Cosmic background radiation • The evolution of stars • The formation of the solar system • The nature of exoplanets • Space weather systems Filled with helpful diagrams and simple summaries, Knowledge in a Nutshell: Astrophysics is perfect for the non-expert, taking the complexities of space science and making them tangible. ABOUT THE SERIES The 'Knowledge in a Nutshell' series by Arcturus Publishing provides engaging introductions to many fields of knowledge, including philosophy, psychology and physics, and the ways in which human kind has sought to make sense of our world.