Life in the Universe (4th Edition)
4th Edition
ISBN: 9780134089089
Author: Jeffrey O. Bennett, Seth Shostak
Publisher: PEARSON
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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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Check out a sample textbook solutionStudents have asked these similar questions
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 (4th Edition)
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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- Why is traveling between the stars (by creatures like us) difficult?arrow_forwardIf the speed of light is 3.0 × 105 km/s, how many kilometers are in a light-year? How many meters? (Hint: First look up or calculate how many seconds are in a year.)arrow_forwardWould a human have been possible during the first generation of stars that formed right after the Big Bang? Why or why not?arrow_forward
- Several hundred years in the future, humans discover an alien world named Noveria. On Noveria, time is measured in pjokas, which is equivalent to 5.93 seconds, There are 7 pjok in every pjokas (much like there are 60 seconds in a minute). If a Noverian alien watches 40 mok of cat videos, how many minutes is this?arrow_forwardHow manyy microns make up 1.0km. What fraction of a centimeter equals to 1 micron How many microns arw in 1 yardarrow_forward
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