Life in the Universe Plus Mastering Astronomy with Pearson eText -- Access Card Package (4th Edition) (Bennett Science & Math Titles)
Life in the Universe Plus Mastering Astronomy with Pearson eText -- Access Card Package (4th Edition) (Bennett Science & Math Titles)
4th Edition
ISBN: 9780134068404
Author: Jeffrey O. Bennett, Seth Shostak
Publisher: PEARSON
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Stellar evolution
We may see thousands of stars in the dark sky. Our universe consists of billions of stars. Stars may appear tiny to us but they are huge balls of gasses. Sun is a star of average size. Some stars are even a thousand times larger than the sun. The stars d…
Red Shift
It is an astronomical phenomenon. In this phenomenon, increase in wavelength with corresponding decrease in photon energy and frequency of radiation of light. It is the displacement of spectrum of any kind of astronomical object to the longer wavelengths…
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Chapter 1, Problem 17TYU
To determine

Time taken by spacecraft to reach nearest star other than sun.

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one hundred milli- (100 times one one-thousandth): 102 ✕ 10−3 = 10(2 + [−3]) = 10(2 − 3) = 10−1 = 0.1         (100 ÷ 1,000 = 0.1) one hundred micro- (100 times one one-millionth): 102 ✕ 10−6 = 10(2 + [−6]) = 10(2 − 6) = 10−4   How do we write one hundred nano- (100 times one-billionth)? 102 ✕ 10−9 = 10   We write ten micrometers as follows. 10 ✕ 10−6 m = 10−5 m   How do we write ten nanoseconds? 10 ✕ 10−9 s = 10 s
How many times longer than the length of recorded history is the age of the universe? I was also given that the length of recorded history is 10E11 s, and that the age of the universe is 10E18 s. But, when putting 10E18/10E11 = 10E7, I get the wrong answer.
Suppose your shortwave radio has a frequency of 300 MHz. If the speed of light is 300,000,000 m/s, then what is the wavelength of the waves from your radio, in meters?

Chapter 1 Solutions

Life in the Universe Plus Mastering Astronomy with Pearson eText -- Access Card Package (4th Edition) (Bennett Science & Math Titles)

Ch. 1 - Why are scientists interested in the possibility...Ch. 1 - People have long been interested in life beyond...Ch. 1 - Prob. 3RQCh. 1 - Prob. 4RQCh. 1 - What do we mean by a habitable world? Does a...Ch. 1 - What do we mean by the universality of physics and...Ch. 1 - Besides Earth, what worlds in our solar system...Ch. 1 - Prob. 8RQCh. 1 - Prob. 9RQCh. 1 - What do we mean by astrobiology? What are the...
Ch. 1 - An extrasolar planet is (a) a planet that is...Ch. 1 - A habitable planet is (a) a planet that has oceans...Ch. 1 - Prob. 13TYUCh. 1 - Prob. 14TYUCh. 1 - The correct order for the eight official planets...Ch. 1 - Today, the research known as SETI is conducted...Ch. 1 - Prob. 17TYUCh. 1 - Scientists today are interested in searching for...Ch. 1 - Based on current evidence, the object in our solar...Ch. 1 - Prob. 20TYUCh. 1 - Universal Laws. Briefly discuss how the idea that...Ch. 1 - The Science of Astrobiology. The study of...Ch. 1 - Conducting the Search. Given the large number of...Ch. 1 - Funding for Astrobiology. Imagine that you are a...
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