Despite the proliferation of electronic navigational devices, celestial navigation remains an essential tool for those who do not wish to be caught short when modern technology fails. In this easy-to-use guide, Hewitt Schlereth explains clearly and concisely how to navigate any stretch of sea using only a handheld sextant, a watch, a plotting sheet, and a copy of the Nautical Almanac. The basic process is simple: take a sight with a sextant, establish a secondary reference or benchmark sig...

Star charts, step-by-step projects, photos, and more: " The Total Skywatcher's Manual is a fun book, but more importantly, it's a useful book." — Sky & TelescopeWith fully illustrated star charts, gorgeous astrophotography, and step-by-step project instruction, this is the only guide you need to navigate the night (and day) sky. Learn about the phases of the moon, how to conduct your own deep-sky observations, how the universe is expanding, our sea...

Celestial navigation is one of the oldest of the mariner's arts – and one of the most awe-inspiring. It is also essential for every ocean sailor who wants to be able to fix his position should the GPS fail. Tom Cunliffe shows you how to master the art in easy stages. Within a few pages you'll be taking your first sight. From there it is a short step to plotting your position, wherever you may be on the world's oceans. Whether you need to pass an exam, want a back-up to GPS positioning or s...

This beautifully illustrated volume reveals the startling discoveries about Saturn's largest moon made by the Cassini-Huygens probe in 2005.In the early 1980s, when the two Voyager spacecraft skimmed past Titan, Saturn's largest moon, they transmitted back enticing images of a world concealed in a seemingly impenetrable orange haze. Scientists speculated about its mysteries for years. Finally, in 2005, the Cassini-Huygens probe successfully parachuted down through T...

Reach for the starsStargazing is the practice of observing the night sky and its contents - from constellations through to planets and galaxies. Stars and other night sky objects can be seen with the naked eye, or seen in greater numbers and in more detail with binoculars or a telescope.Stargazing For Dummies offers you the chance to explore the night sky, providing a detailed guide to the main constellations and also offering advice on viewing oth...

The new expanded compilation of material on Anti-Gravity, Free Energy, Flying Saucer Propulsion, UFOs, Suppressed Technology, NASA Cover-ups and more. Highly illustrated with patents, technical illustrations and photos. This revised and expanded edition has more material, including photos of Area 51, Nevada, the government’s secret testing facility. This classic on weird science is back in a new edition! Includes: How to build a flying saucer; Arthur C. Clarke on Anti-Gravity; Crystals and th...

From the Sun and the Moon to black holes and faraway galaxies, the Book Of Space takes you through the wonders of the solar system and beyond. If you want to discover how the International Space Station was built or what happens when a star dies, then this is the book for you. Packed with amazing facts and answers to lifes biggest questions, the Book Of Space is a must for anyone interested in learning about the galaxy we live in.

A NASA science educator showcases important objects in space history from Galileo's telescope to the Curiosity rover: "Will fascinate readers of any age." — Publishers Weekly (starred review)This book examines 100 objects that forever altered what we know and how we think about the cosmos. From an ancient Mayan codex to Sputnik to Skylab and into the twenty-first century, some objects are iconic and some obscure—but all are utterly important.T...

The 13th edition of this bestselling book is proof of the success of Mary Blewitt's concise and clear style in explaining a particularly difficult skill, and it has been the bible for many generations of ocean navigators.Since this book was first published, the huge advances in electronic navigation have transported most offshore navigators to a world of press-button convenience. However, there is still a vital need for traditional skills when things go wrong: batteries can fail, ae...

Flat Earth has long been denigrated, derided and disparaged as being the most crackpot of all conspiracy theories, marginalized, mocked and ridiculed for centuries as being an ignorant ancient unscientific worldview, but the facts of the matter are far from what you have been told. When thoroughly examined and diligently researched with an open-mind, any skeptical critical-thinker will find it is actually the tilting, wobbling, spinning space-ball Earth promoted by NASA and taught in schoo...

For many decades, the advice given to beginning amateur astronomers has been "start with binoculars" but, beyond that, there has not been any specific advice on how to go about it. Stephen Tonkin shows you why this advice is appropriate, and takes you on a year-long journey through the night sky visible from northern temperate latitudes. At the end of this journey, you will have a sound basic knowledge of the sky and will have gathered useful snippets of astronomical information and miscel...

A guide to viewing stars, the moon, planets, meteors, comets, and more through binoculars.Many stargazers assume they must invest hundreds or even thousands of dollars in equipment before they can enjoy the wonders of the night sky. The truth is, though, that all you need is a simple pair of binoculars. This handy guide explains how to choose binoculars. This handy guide explains how to choose binoculars and use them to observe everything from comets to solar eclip...