Question 1

Apparent magnitude is___________ .

Accepted Answer

A)  how large stars truly are 
B)  how bright stars truly are 
C)  how large stars appear to be from Earth 
D)  how bright stars appear to be from Earth 
A)  how large stars truly are 
B)  how bright stars truly are 
C)  how large stars appear to be from Earth 
D)  how bright stars appear to be from Earth

Question 2

A red star is___________ our Sun.

Accepted Answer

A)  hotter and larger than 
B)  hotter and smaller than 
C)  colder and larger than 
D)  colder and smaller than 
E)  approximately the same temperature and size as 
A)  hotter and larger than 
B)  hotter and smaller than 
C)  colder and larger than 
D)  colder and smaller than 
E)  approximately the same temperature and size as

Question 3

The larger the magnitude number, the___________ will be the star.

Accepted Answer

A)  smaller 
B)  older 
C)  brighter 
D)  redder 
A)  smaller 
B)  older 
C)  brighter 
D)  redder

Question 4

The greatest number of galaxies belong to the type known as ___________galaxies.

Accepted Answer

A)  irregular 
B)  disk 
C)  elliptical 
D)  spiral 
A)  irregular 
B)  disk 
C)  elliptical 
D)  spiral

Question 5

A red giant has ___________.

Accepted Answer

A)  a hydrogen- rich core 
B)  an iron- rich core 
C)  high gas pressure 
D)  a helium- rich core 
E)  no outer shell 
A)  a hydrogen- rich core 
B)  an iron- rich core 
C)  high gas pressure 
D)  a helium- rich core 
E)  no outer shell

Question 6

Every stage of a star's life is ruled by___________ .

Accepted Answer

A)  its location in the galaxy 
B)  the amount of dark matter it possesses 
C)  inertia 
D)  gravity 
A)  its location in the galaxy 
B)  the amount of dark matter it possesses 
C)  inertia 
D)  gravity

Question 7

What was the test of the Big Bang Hypothesis discussed in your text?

Accepted Answer

A)  There should be more expansion in older galaxies than in young ones. 
B)  We should be able to measure how atoms have changed through fusion since the original explosion. 
C)  The universe should be expanding. 
D)  We should be able to detect remnants of the initial heat of the universe. 
E)  We should be able to model how the galaxies have moved and reconstruct the original explosion. 
A)  There should be more expansion in older galaxies than in young ones. 
B)  We should be able to measure how atoms have changed through fusion since the original explosion. 
C)  The universe should be expanding. 
D)  We should be able to detect remnants of the initial heat of the universe. 
E)  We should be able to model how the galaxies have moved and reconstruct the original explosion.

Question 8

The final stage for a star which is as massive as the Sun is a ___________.

Accepted Answer

A)  red giant 
B)  white dwarf 
C)  black hole 
D)  main- sequence star 
A)  red giant 
B)  white dwarf 
C)  black hole 
D)  main- sequence star

Question 9

The measure of a star's brightness is called its___________ .

Accepted Answer

A)  magnitude 
B)  luminosity 
C)  apparent light 
D)  both A and B 
A)  magnitude 
B)  luminosity 
C)  apparent light 
D)  both A and B

Question 10

A Hertzsprung- Russell diagram H- R Diagram. is a plot of___________ .

Accepted Answer

A)  brightness versus temperature 
B)  temperature versus color 
C)  size versus color 
D)  color versus brightness 
E)  size versus brightness 
A)  brightness versus temperature 
B)  temperature versus color 
C)  size versus color 
D)  color versus brightness 
E)  size versus brightness

Question 11

The fate of the universe that is currently favored is the Big ___________.

Accepted Answer

A)  Crash 
B)  Crunch 
C)  Chill 
D)  Clash 
A)  Crash 
B)  Crunch 
C)  Chill 
D)  Clash

Question 12

Fluorescence is a characteristic of ___________.

Accepted Answer

A)  blue nebulae 
B)  reflection nebulae 
C)  planetary nebulae 
D)  dark nebulae 
E)  emission nebulae 
A)  blue nebulae 
B)  reflection nebulae 
C)  planetary nebulae 
D)  dark nebulae 
E)  emission nebulae

Question 13

Label the Giant and Supergiant stars, the Main Sequence stars, and the White dwarf stars on the H- R diagram below.

Accepted Answer

See Smart

Question 14

Possibly the most cataclysmic event associated with the death of a star is the___________ .

Accepted Answer

A)  supernova 
B)  barred spiral 
C)  cosmology 
D)  stellar implosion 
A)  supernova 
B)  barred spiral 
C)  cosmology 
D)  stellar implosion

Question 15

The main difference between Bright and Dark Nebulae is___________ .

Accepted Answer

A)  the composition of their dust 
B)  their proximity to a black hole 
C)  the composition of their gases 
D)  their proximity to a blue star 
E)  none of the above 
A)  the composition of their dust 
B)  their proximity to a black hole 
C)  the composition of their gases 
D)  their proximity to a blue star 
E)  none of the above

Question 16

Fluorescence occurs when___________ .

Accepted Answer

A)  visible light is converted to infrared light 
B)  ultraviolet light is converted to visible light 
C)  infrared light is converted to visible light 
D)  infrared light is converted to ultraviolet light 
E)  visible light is converted to ultraviolet light 
A)  visible light is converted to infrared light 
B)  ultraviolet light is converted to visible light 
C)  infrared light is converted to visible light 
D)  infrared light is converted to ultraviolet light 
E)  visible light is converted to ultraviolet light

Question 17

Interstellar matter is composed primarily of___________ .

Accepted Answer

A)  oxygen 
B)  helium 
C)  ions 
D)  hydrogen 
E)  dust 
A)  oxygen 
B)  helium 
C)  ions 
D)  hydrogen 
E)  dust

Question 18

The Milky Way is classified as an___________galaxy.

Accepted Answer

A)  disk 
B)  spiral 
C)  irregular 
D)  elliptical 
A)  disk 
B)  spiral 
C)  irregular 
D)  elliptical

Question 19

Evidence for the existence of dark matter includes___________.

Accepted Answer

A)  the observation that Mercury rotates about the Sun faster than Pluto 
B)  the observation that stars near the center of galaxies do not rotate as fast as expected 
C)  the observation that the universe appears to be slowing down 
D)  the observation that the universe is not expanding as fast as predicted by Big Bang Theory 
A)  the observation that Mercury rotates about the Sun faster than Pluto 
B)  the observation that stars near the center of galaxies do not rotate as fast as expected 
C)  the observation that the universe appears to be slowing down 
D)  the observation that the universe is not expanding as fast as predicted by Big Bang Theory

Question 20

Spiral galaxies tend to resemble a pinwheel because___________ .

Accepted Answer

A)  stars in the center of galaxy are moving more slowly than the ones on the outer edges 
B)  stars are moving from the center to the edges of the galaxy 
C)  stars in the center of the galaxy are moving faster than the ones on the outer edges 
D)  the barred structures form twisted pathways that distort the flow patterns 
E)  the stars in the center are very old and large while the outer edges of the galaxy contain the youngest and smallest stars 
A)  stars in the center of galaxy are moving more slowly than the ones on the outer edges 
B)  stars are moving from the center to the edges of the galaxy 
C)  stars in the center of the galaxy are moving faster than the ones on the outer edges 
D)  the barred structures form twisted pathways that distort the flow patterns 
E)  the stars in the center are very old and large while the outer edges of the galaxy contain the youngest and smallest stars

Exam 24: Beyond Our Solar System

Apparent magnitude is___________ .

A red star is___________ our Sun.

The larger the magnitude number, the___________ will be the star.

The greatest number of galaxies belong to the type known as ___________galaxies.

A red giant has ___________.

Every stage of a star's life is ruled by___________ .

What was the test of the Big Bang Hypothesis discussed in your text?

The final stage for a star which is as massive as the Sun is a ___________.

The measure of a star's brightness is called its___________ .

A Hertzsprung- Russell diagram H- R Diagram. is a plot of___________ .

The fate of the universe that is currently favored is the Big ___________.

Fluorescence is a characteristic of ___________.

Label the Giant and Supergiant stars, the Main Sequence stars, and the White dwarf stars on the H- R diagram below.

Possibly the most cataclysmic event associated with the death of a star is the___________ .

The main difference between Bright and Dark Nebulae is___________ .

Fluorescence occurs when___________ .

Interstellar matter is composed primarily of___________ .

The Milky Way is classified as an___________galaxy.

Evidence for the existence of dark matter includes___________.

Spiral galaxies tend to resemble a pinwheel because___________ .

Introduction to Earth Science

Matter and Minerals

Rocks: Materials of the Solid Earth

Plate Tectonics: a Scientific Revolution Unfolds

Earthquakes and Earths Interior

Volcanoes and Other Igneous Activity

Crustal Deformation and Mountain Building

Weathering, Soil, and Mass Movement

Running Water and Groundwater

Glaciers, Deserts, and Wind

Geologic Time

Earths Evolution Through Geologic Time

The Ocean Floor

Ocean Water and Ocean Life

The Dynamic Ocean

The Atmosphere: Composition, Structure, and Temperature

Moisture, Clouds, and Precipitation

Air Pressure and Wind

Weather Patterns and Severe Storms

World Climates and Global Climate Change

Origins of Modern Astronomy

Touring Our Solar System

Light, Telescopes, and the Sun

Filters