21ST CENTURY ASTR.:SOLAR..(LL)-PACKAGE
21ST CENTURY ASTR.:SOLAR..(LL)-PACKAGE
6th Edition
ISBN: 9780393448498
Author: Kay
Publisher: NORTON
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Chapter 22, Problem 33QP

(a)

To determine

The reason for the present of no data points on the right side of the graph.

(b)

To determine

The models which are excluded by the data.

(c)

To determine

How far back in dime do the data go.

(d)

To determine

The age of universe in fraction

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Question A7 State three pieces of evidence that support the idea that the Universe began in a hot Big Bang, and explain how each piece of evidence supports the hot Big Bang model. Describe the ob- servational evidence that supports the idea that the Universe is pervaded by Dark Energy, and explain why each piece of evidence you cite supports the Dark Energy model.
Which of the following is an INCORRECT statement regarding the expanding universe theory? A. Scientists were able to observe that all galaxies and star clusters are moving away from Earth because of the shift of the wavelength to the blue part of the visible spectrum. B. Slipher from 1912 to 1914 studied the electromagnetic radiation of nearby spiral galaxies where he observed that wavelengths of yellow lines appear to be a little orange. C. More recent observation using powerful telescopes confirm that frequency of light from nearby galaxies and star clusters decreases as it is observed here on Earth. D. From the amount of Doppler shift, astronomers are able to compute for the speeds and determine the direction of the motion of nearby galaxies and star clusters.
How does the age of the universe relate to the Hubble constant?   a. The smaller the constant, the older the universe.   b. The larger the constant, the older the universe.   c. The Hubble constant is the age of the universe.   d. The Hubble constant is the square of the universe.   e. It is impossible to tell the age of the universe from the Hubble constant.
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