Question 1

The discovery that the universe appears to be expanding led to a widely accepted theory called ___________.

Accepted Answer

A)  the Doppler effect 
B)  Hubble's Law 
C)  Einstein's Law 
D)  the Big Bang 
A)  the Doppler effect 
B)  Hubble's Law 
C)  Einstein's Law 
D)  the Big Bang

Question 2

The Sun belongs to this class of stars.

Accepted Answer

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

Question 3

Hubble's law states that galaxies are receding from us at a speed that is proportional to their___________ .

Accepted Answer

A)  speed 
B)  magnitude 
C)  distance 
D)  luminosity 
A)  speed 
B)  magnitude 
C)  distance 
D)  luminosity

Question 4

The largest known galaxies are ___________.

Accepted Answer

A)  elliptical 
B)  round 
C)  spiral 
D)  irregular 
E)  barred spiral 
A)  elliptical 
B)  round 
C)  spiral 
D)  irregular 
E)  barred spiral

Question 5

Hubble's law states that galaxies are receding from us at a speed that is proportional to their___________ .

Accepted Answer

A)  distance 
B)  mass 
C)  orientation 
D)  volume 
A)  distance 
B)  mass 
C)  orientation 
D)  volume

Question 6

A main- sequence star like our sun is expected to be stable for approximately ___________.
A. 10 billion years
B. 100 million years
C. 1 billion years
D. 10 million years
E. 100 billion years

Accepted Answer

The answer of A main- sequence star like our sun...

Question 7

A pea- sized sample of a neutron star would weigh ___________tons.

Accepted Answer

A)  110 
B)  100 million 
C)  0.8 
D)  27,000 
A)  110 
B)  100 million 
C)  0.8 
D)  27,000

Question 8

The point in stellar evolution when a star has used up all its fuel and is radiating away its remaining thermal energy as light is the ___________stage.

Accepted Answer

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

Question 9

Cepheid Variables are stars whose brightness varies in a predictable manner so that the absolute magnitude of the star can be determined, and this allows the ___________of the star to be determined.

Accepted Answer

A)  distance from Earth 
B)  size 
C)  direction of motion 
D)  composition 
E)  velocity 
A)  distance from Earth 
B)  size 
C)  direction of motion 
D)  composition 
E)  velocity

Question 10

The name applied to large quantities of interstellar dust and gas is ___________.

Accepted Answer

A)  nebula 
B)  pulsar 
C)  quasar 
D)  local group 
A)  nebula 
B)  pulsar 
C)  quasar 
D)  local group

Question 11

The distance light travels in a year, called an___________ , is used by astronomers to measure stellar distances.

Accepted Answer

A)  parsec 
B)  hydrogen fusion 
C)  dwarf distance 
D)  light year 
A)  parsec 
B)  hydrogen fusion 
C)  dwarf distance 
D)  light year

Question 12

What is the dominant factor in the life of a star?

Accepted Answer

A)  gravity 
B)  size 
C)  energy 
D)  temperature 
E)  composition 
A)  gravity 
B)  size 
C)  energy 
D)  temperature 
E)  composition

Question 13

A blue star is___________ our Sun.

Accepted Answer

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

Question 14

Which one of the objects listed below has the largest size?

Accepted Answer

A)  nebula 
B)  stars 
C)  globular clusters 
D)  galaxies 
E)  galactic clusters 
A)  nebula 
B)  stars 
C)  globular clusters 
D)  galaxies 
E)  galactic clusters

Question 15

Stars that are composed of matter in which electrons have combined with protons are called ___________stars.

Accepted Answer

A)  quark 
B)  neutron 
C)  apparent 
D)  molecular 
A)  quark 
B)  neutron 
C)  apparent 
D)  molecular

Question 16

Very large red stars, such as Betelgeuse in the constellation Orion, are called___________ .

Accepted Answer

A)  giant stars 
B)  supergiants 
C)  red giants 
D)  giant Hertzprungs 
A)  giant stars 
B)  supergiants 
C)  red giants 
D)  giant Hertzprungs

Question 17

When viewed through an optical telescope, planetary nebula___________ .

Accepted Answer

A)  have visible planets within their cloud of debris 
B)  are spherical in form and often have "rings" like Saturn 
C)  look like giant planets such as Jupiter 
D)  show the explosive form of the dead sun 
E)  still have planets orbiting the cloud 
A)  have visible planets within their cloud of debris 
B)  are spherical in form and often have "rings" like Saturn 
C)  look like giant planets such as Jupiter 
D)  show the explosive form of the dead sun 
E)  still have planets orbiting the cloud

Question 18

Examine the words and/or phrases below and determine the relationship among the majority of words/phrases. Choose the option that does not fit the pattern.

Accepted Answer

A)  neutron star 
B)  main sequence 
C)  Red Giant 
D)  Red Supergiants 
A)  neutron star 
B)  main sequence 
C)  Red Giant 
D)  Red Supergiants

Question 19

The most dense objects known are___________ .

Accepted Answer

A)  neutron stars 
B)  main- sequence stars 
C)  white dwarfs 
D)  black holes 
A)  neutron stars 
B)  main- sequence stars 
C)  white dwarfs 
D)  black holes

Question 20

Which of the following events is not part of the history associated with the Big Bang Theory?

Accepted Answer

A)  The first matter formed 380,000 years after the formation of the universe. 
B)  Our Sun formed approximately 9 billion years after the universe formed. 
C)  Just before Big Bang occurred, there was only energy and disassociated electrons and protons. 
D)  About 13.7 billion years ago, our universe started with a huge explosion. 
A)  The first matter formed 380,000 years after the formation of the universe. 
B)  Our Sun formed approximately 9 billion years after the universe formed. 
C)  Just before Big Bang occurred, there was only energy and disassociated electrons and protons. 
D)  About 13.7 billion years ago, our universe started with a huge explosion.

Exam 24: Beyond Our Solar System

The discovery that the universe appears to be expanding led to a widely accepted theory called ___________.

The Sun belongs to this class of stars.

Hubble's law states that galaxies are receding from us at a speed that is proportional to their___________ .

The largest known galaxies are ___________.

Hubble's law states that galaxies are receding from us at a speed that is proportional to their___________ .

A main- sequence star like our sun is expected to be stable for approximately ___________. A. 10 billion years B. 100 million years C. 1 billion years D. 10 million years E. 100 billion years

A pea- sized sample of a neutron star would weigh ___________tons.

The point in stellar evolution when a star has used up all its fuel and is radiating away its remaining thermal energy as light is the ___________stage.

Cepheid Variables are stars whose brightness varies in a predictable manner so that the absolute magnitude of the star can be determined, and this allows the ___________of the star to be determined.

The name applied to large quantities of interstellar dust and gas is ___________.

The distance light travels in a year, called an___________ , is used by astronomers to measure stellar distances.

What is the dominant factor in the life of a star?

A blue star is___________ our Sun.

Which one of the objects listed below has the largest size?

Stars that are composed of matter in which electrons have combined with protons are called ___________stars.

Very large red stars, such as Betelgeuse in the constellation Orion, are called___________ .

When viewed through an optical telescope, planetary nebula___________ .

Examine the words and/or phrases below and determine the relationship among the majority of words/phrases. Choose the option that does not fit the pattern.

The most dense objects known are___________ .

Which of the following events is not part of the history associated with the Big Bang Theory?

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