Chapter 16 Multiple Choice Quiz 1

Please answer all questions


1	Retrograde motion is a term used to describe the fact that
		A)	some planets travel in the opposite direction as the earth.
		B)	some planets rotate in a direction opposite of the earth's rotation.
		C)	planets revolve around the sun on epicycles.
		D)	planets sometimes appear to move backwards in their path around the ecliptic.


2	The difference in brightness between two stars is related to
		A)	the amount of light and energy produced by the stars.
		B)	the relative size of the stars.
		C)	the distances between the stars.
		D)	all of these.


3	Which of the following depends on your location on the earth?
		A)	celestial pole
		B)	celestial meridian
		C)	celestial equator
		D)	all of these depend on your location.


4	The earth rotates
		A)	from west to east
		B)	from east to west
		C)	at the same rate as it revolves around the sun
		D)	twice each day


5	If the density of the universe is less than a critical value, then
		A)	it will eventually contract to a concentrated mass.
		B)	it will go on expanding forever.
		C)	it could expand to a fixed size and remain.
		D)	there's probably less dark matter than luminous.


6	The expected life span of a star the size of the sun is
		A)	10 billion years
		B)	1 billion years
		C)	100 million years
		D)	10 million years


7	Compared to a star like the sun, a blue-white star
		A)	is more massive
		B)	has a higher surface temperature
		C)	burns its fuel at a greater rate
		D)	all of these


8	The eventual fate of our sun is to become a
		A)	neutron star.
		B)	supernova.
		C)	white dwarf.
		D)	black hole.


9	The Milky Way galaxy is
		A)	spiral.
		B)	elliptical.
		C)	globular.
		D)	spherical.


10	Most of the stars plotted on a H-R diagram are
		A)	red giant stars.
		B)	white dwarf stars.
		C)	cepheid variables.
		D)	main sequence stars.

2002 McGraw-Hill Higher Education
Any use is subject to the Terms of Use and Privacy Policy.
McGraw-Hill Higher Education is one of the many fine businesses of The McGraw-Hill Companies.