THE science which has to do with nature clearly concerns itself for the most part with bodies and magnitudes and their properties and movements, but also with the principles of this sort of substance, as many as they may be. For of things constituted by nature some are bodies and magnitudes, some possess body and magnitude, and some are principles of things which possess these. Now a continuum is that which is divisible into parts always capable of...

One of the great paradoxes of modern times is that the more scientists understand the natural world, the more we discover that our everyday beliefs about it are wrong. Astronomy, in particular, is one of the most misunderstood scientific disciplines. With the participation of thousands of undergraduate students, Neil F. Comins has identified and classified, by origin and topic, over 1,700 commonly held misconceptions. Heavenly Errors provides access...

A highly visual introduction explains the basic concepts of astronomy and gives advice on the best methods and equipment for observation, including binoculars and telescopes. Each of the planets in the Solar System is described and illustrated in detail, with images taken from space probes as well as from the ground, showing them as you can expect to see them. More than 160 star charts were made especially for this book by the Royal Greenwich Observatory....

"This book contains everything you need to know about variable stars -- stars whose brightness varies noticeably over time. The study of variable stars has been a particularly popular area of research for amateurs for many years; the material contained herein serves as both an introduction to amateur astronomers and a useful reference source for seasoned variable star observers. "--Page [4] of cover.

Take a trip to the ends of the universe and introduce early elementary readers to beginning astrological ideas and concepts including galaxies, planets, asteroids, and the entire universe. This fascinating title features bright images, charts, diagrams, and engaging, informational text.

"For more than half a century, physicists and astronomers engaged in heated dispute over the possibility of black holes in the universe. The weirdly alien notion of a space-time abyss from which nothing escapes--not even light--seemed to confound all logic. This engrossing book tells the story of the fierce black hole debates and the contributions of Einstein and Hawking and other leading thinkers who completely altered our view of the universe. Renowned...