Question 1

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

Accepted Answer

in Earth S

Question 2

The red color of emission nebulae comes from the ________.

Accepted Answer

A) conversion of infrared light to visible light 
B) conversion of ultraviolet light to visible light 
C) energy emission of hydrogen 
D) energy emission of helium 
E) energy emission of oxygen 
A) conversion of infrared light to visible light 
B) conversion of ultraviolet light to visible light 
C) energy emission of hydrogen 
D) energy emission of helium 
E) energy emission of oxygen

Question 3

Which main-sequence stars are the least massive?

Accepted Answer

A) red 
B) orange 
C) yellow 
D) blue 
A) red 
B) orange 
C) yellow 
D) blue

Question 4

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

Accepted Answer

The answer of Very large red stars,such as Betelgeuse in...

Question 5

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

Accepted Answer

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

Question 6

When viewed through an optical telescope,planetary nebula ________.

Accepted Answer

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

Question 7

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

Accepted Answer

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

Question 8

Most stars are in this stage of evolution.

Accepted Answer

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

Question 9

Interstellar matter is composed primarily of ________.

Accepted Answer

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

Question 10

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

Accepted Answer

A) True 
 B)False

Question 11

On a Hertzprung-Russell Diagram,our Sun is classified as ________.

Accepted Answer

A) a yellow giant 
B) a yellow dwarf 
C) a mediocre star 
D) a super star 
E) an average star 
A) a yellow giant 
B) a yellow dwarf 
C) a mediocre star 
D) a super star 
E) an average star

Question 12

What is the main factor that determines what will happen to a star after it consumes all of its nuclear fuel?

Accepted Answer

A) temperature 
B) size 
C) mass 
D) velocity 
E) composition 
A) temperature 
B) size 
C) mass 
D) velocity 
E) composition

Question 13

The measure of a star's brightness is called its magnitude.

Accepted Answer

A) True 
 B)False

Question 14

Based on the observed red shifts in the spectral lines of distant galaxies,astronomers conclude that ________.

Accepted Answer

A) Earth is in the center of the universe 
B) the universe is contracting 
C) the universe is expanding 
D) the universe is in a steady state 
A) Earth is in the center of the universe 
B) the universe is contracting 
C) the universe is expanding 
D) the universe is in a steady state

Question 15

Fluorescence is a characteristic of ________.

Accepted Answer

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

Question 16

A blue star is ________ our Sun.

Accepted Answer

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

Question 17

The first stars formed about 300 million years after Big Bang in the most massive nebulae because ________.

Accepted Answer

A) only the massive nebulae had the material needed to make stars 
B) it took that long for enough matter to form to make a star 
C) the massive nebulae had enough gravity to attract star material early in the history of the universe 
D) the massive nebulae had enough gravity to collapse and condense 
E) all of the nebulae at that time were massive and it was not until much later that smaller nebulae formed 
A) only the massive nebulae had the material needed to make stars 
B) it took that long for enough matter to form to make a star 
C) the massive nebulae had enough gravity to attract star material early in the history of the universe 
D) the massive nebulae had enough gravity to collapse and condense 
E) all of the nebulae at that time were massive and it was not until much later that smaller nebulae formed

Question 18

Which color stars have the highest surface temperature?

Accepted Answer

A) red 
B) orange 
C) yellow 
D) blue 
A) red 
B) orange 
C) yellow 
D) blue

Question 19

The main difference between Bright and Dark Nebulae is ________.

Accepted Answer

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

Question 20

Stars spend most of their life span as main-sequence stars.

Accepted Answer

A) True 
 B)False

Exam 24: Beyond Our Solar System

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

The red color of emission nebulae comes from the ________.

Which main-sequence stars are the least massive?

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

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

When viewed through an optical telescope,planetary nebula ________.

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

Most stars are in this stage of evolution.

Interstellar matter is composed primarily of ________.

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

On a Hertzprung-Russell Diagram,our Sun is classified as ________.

What is the main factor that determines what will happen to a star after it consumes all of its nuclear fuel?

The measure of a star's brightness is called its magnitude.

Based on the observed red shifts in the spectral lines of distant galaxies,astronomers conclude that ________.

Fluorescence is a characteristic of ________.

A blue star is ________ our Sun.

The first stars formed about 300 million years after Big Bang in the most massive nebulae because ________.

Which color stars have the highest surface temperature?

The main difference between Bright and Dark Nebulae is ________.

Stars spend most of their life span as main-sequence stars.

Introduction to Earth Science

Matter and Minerals

Rocks: Materials of the Solid Earth

Weathering, soil, and Mass Wasting

Running Water and Groundwater

Glaciers, deserts, and Wind

Plate Tectonics: a Scientific Revolution Unfolds

Earthquakes and Earths Interior

Volcanoes and Other Igneous Activity

Crustal Deformation and Mountain Building

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 Weather

World Climates and Global Climate Change

Origin of Modern Astronomy

Touring Our Solar System

Light,astronomical Observations,and the Sun

Filters