Updated with the latest discoveries in astronomy and astrophysics, this newest edition of Dinah Moche's classic guide now includes many Web site addresses for spectacular images and news. And like all previous editions, it is packed with valuable tables, charts, star and moon maps and features simple activities that reinforce readers' grasp of basic concepts at their own pace, as well as objectives, reviews, and self-tests to monitor their progress.
Dinah L. Her books have sold over nine million copies in seven languages. Get A Copy. Paperback , Sixth Edition , pages. More Details Original Title. Other Editions Friend Reviews. To see what your friends thought of this book, please sign up. To ask other readers questions about Astronomy , please sign up.
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Astronomy: A Self-Teaching Guide (Paperback)
Showing Rating details. More filters. Sort order. The main problem with this textbook is its haphazard formatting. The topics jump around a lot. It takes a great deal of mental dot-connecting to get any sort of depth in any one topic. Oct 18, Rwc rated it liked it. This has become a referance book. That was a whole lot of information. For the most part, it was comprehensible and relent. However, if you're looking for a religious foundation in science, this would be the wrong book.
Jan 16, Jorge rated it really liked it. Este libro va al grano con los conceptos. Aug 16, Margarita rated it really liked it. I bought it five years back when I was very new to astronomy and recall it being helpful. It was a bit dry, but it's really a text book not a book to set the spark of enthusiasm. Excellent first chapter on the celestial globe followed by easily readable content on a lot of astronomy concepts. Aug 05, Melissa rated it it was ok.
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A lot of information, and a lot of it I won't use or need at this time. A bit overwhelming and tough to digest sometimes.
Jul 22, Jeff rated it really liked it. Astronomy, Dinah L. Moche Flat, one dimensional writing, coupled with a healthy dose of mathematical equations make Dinah Moche's' 'Astronomy' perfectly cumbersome for the casual reader, yet very suitable as a college text. On a rare spirt of impassioned writing, Moche declares herself a strong advocate of SETI , the search for extra terrestrial intelligence, claiming contact with a civilization possibly hundreds of millions of years more advanced than ours could perhaps teach us how to su Astronomy, Dinah L.
On a rare spirt of impassioned writing, Moche declares herself a strong advocate of SETI , the search for extra terrestrial intelligence, claiming contact with a civilization possibly hundreds of millions of years more advanced than ours could perhaps teach us how to surmount the many problems now threatening our survival here on Earth.
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My own personal believe is that if life outside our solar system is anything like the history of life here on Earth, we will be hunted down and butchered, quite possibly all in the name of 'sport'. Thankfully scientists have put safety ahead of curiosity and have focused more on receiving signals rather than blindly transmitting them. Overall, I highly recommend this book as a basic introduction to what is by far one of the most exciting and humbling branches of science.
I wouldn't say I properly finished it, because it was a library book and I have been renewing it for a long while now, so I returned it. But overall, from what I read, it's very good book - resourceful and detailed. If you are an astronomy fan, you want to check this book out. The fact that I couldn't finish this in even 3 months, just shows my lack of interest in nonfiction. But I'm determined to change that In sha Allah. Maybe I'd get it back to finish thoroughly next time In sha Allah. Feb 17, Dale Alan Bryant rated it it was amazing.
Astronomy: A Self-Teaching Guide
This review has been hidden because it contains spoilers. To view it, click here. Wave motion is clearly observable in the ocean. During storms, crashing ocean waves vividly reveal the energy they carry. A light wave is an electromagnetic disturbance consisting of rapidly varying electric and magnetic effects. Light waves transport energy from accelerating elec- tric charges in stars the source to electric charges in the retina of your eye the receiver Figure 2.
You become aware of that energy when you see starlight. What is a wave? The distance from any point on a wave to the next identical point, such as from crest to crest, is called the wavelength Figure 2. The human eye responds to waves that have extremely short wavelengths. One nm is 10—9 m, and one angstrom is 0. Wavelength measured from crest to crest or trough to trough. The arrangement of the colors according to wavelength is called the visible spectrum.
Astronomy: A Self-Teaching Guide (Wiley Self Teaching Guides)
Refer to Figure 2. Which color light has a the shortest wavelength? Figure 2. Relative sensitivity of the human eye to different colors and wavelengths of visible light. Energy is also transmitted in the form of gamma rays, X-rays, ultravio- let radiation, infrared radiation, and radio waves. The electromagnetic spectrum includes all electromagnetic radiation from shortest, highest-frequency gamma rays to longest, lowest-frequency radio waves.
Doctors use gamma rays in cancer treat- ment and X-rays for medical diagnosis. Ultraviolet rays give you a suntan, and infrared rays warm you up. Radio waves are used for communication. All of these forms of radiation are really the same basic kind of energy as visible light. They have different properties because they have different wave- lengths. The shortest waves have the most energy, whereas the longest waves are the least energetic.
The whole family of electromagnetic waves, arranged according to wavelength, is called the electromagnetic spectrum. Electromagnetic waves of all wavelengths are important to astronomers because each type brings unique clues about its source. List six forms of electromagnetic radiation from the short- est waves highest energy to the longest waves lowest energy. It is one of the most important and precisely measured numbers in astronomy Appendix 2. How many kilometers miles does 1 light-year represent? The frequency of a wave motion is the number of waves that pass by a fixed point in a given time, measured in cycles per second cps.
The human eye responds to different-color light waves that have very high frequencies. Visible light waves vary in frequency from 4. For radio waves, one cycle per second is commonly called a hertz Hz , after the German physicist Heinrich Hertz — , who first produced radio waves in a laboratory. Refer to the electromagnetic spectrum shown in Figure 2. Which waves have a a higher frequency than the visible light waves? The shorter waves have a relatively higher frequency, and the longer waves have a relatively lower frequency. Explain why. Tip: Review Section 2. Energy due to temperature is called thermal radiation.
The temperature of a star determines which wavelength is brightest. Stars radiate energy practically as a blackbody, or theoretical perfect radiator. Thus the hotter a star, the shorter the wavelength at which it emits its maximum radiation. Some stars are thousands of degrees hotter than others. You can judge how hot a star is by its color wavelength. The hottest stars look blue-white short wavelength , and the coolest stars look red long wavelength.
Look in the sky for the examples cited in Table 2. All blackbody radiation spectrums have the same shape. Hotter stars emit more energy at all wavelengths, and the peak shifts to shorter wavelengths. Thus a star that is twice as hot as our Sun radiates 24, or 16, times more energy than the Sun.
A radiation spectrum shows how much energy a body radiates at differ- ent wavelengths, which wavelengths it radiates most intensely, and the total amount of energy it radiates at all wavelengths indicated by the area under the curve. Examine Figure 2.