1. The two nearest planets to the Earth are
A. Mercury and Venus
B. Mars and Jupiter
C. Venus and Mars
D. Pluto and Mars
Accessibility: Keyboard Navigation
Bloom's Level: 1. Remember
Difficulty: Easy
Gradable: automatic
Part 1
Section: 01.03
Subtopic: Terrestrial Planets
Topic: Solar Systems
Unit: 01
The total number of planets orbiting the sun is __...
2. The total number of planets orbiting the sun is __.
A. 6
B. 7
C. 8
D. 10
Excluding Pluto there are 8 planets.
Accessibility: Keyboard Navigation
Bloom's Level: 1. Remember
Difficulty: Easy
Gradable: automatic
Part 1
Section: 01.03
Subtopic: Jovian Planets
Subtopic: Terrestrial Planets
Topic: Solar Systems
Unit: 01
Venus' radius as compared to the Earth's radius i...
3. Venus' radius as compared to the Earth's radius is ___.
A. .53
B. .67
C. .10
D. .95
Venus is almost the same size as the Earth.
Accessibility: Keyboard Navigation
Bloom's Level: 1. Remember
Difficulty: Easy
Gradable: automatic
Part 1
Section: 01.03
Subtopic: Differences Between Terrestrial Planets
,Subtopic: Terrestrial Planets
Topic: Solar Systems
Topic: Terrestrial Planets
Unit: 01
The sun's mass as compared to Earth is ___.
4. The sun's mass as compared to Earth is ___.
A. 300,000 times smaller
B. 300,000 times larger
C. 100 times smaller
D. 100 times larger
The sun's mass is 300,000 times that of Earth; its size is 100 times.
Accessibility: Keyboard Navigation
Bloom's Level: 1. Remember
Difficulty: Easy
Gradable: automatic
Part 1
Section: 01.04
Subtopic: Solar Interior Structure
Topic: The Sun
Unit: 01
Earth is considered a planet.
5. Earth is considered a planet.
TRUE
Accessibility: Keyboard Navigation
Bloom's Level: 1. Remember
Difficulty: Easy
Gradable: automatic
Part 1
Section: 01.01
Subtopic: Size, Shape and Composition of the Earth
Subtopic: The Pluto Decision
Topic: Asteroids, Meteors, and Comets
Topic: The Earth
Unit: 01
The Astronomical Unit is about 150 million km.
6. The Astronomical Unit is about 150 million km.
TRUE
Accessibility: Keyboard Navigation
Bloom's Level: 1. Remember
Difficulty: Easy
Gradable: automatic
Part 1
Section: 01.06
Subtopic: Astronomical Unit (AU)
Topic: Language of Astronomy
Unit: 01
, This is the system of several hundred billion star...
7. This is the system of several hundred billion stars in which our sun lives:
A. stellar populations
B. galactic cluster
C. Milky Way
D. solar system
Our sun lives in our Galaxy called the Milky Way.
Accessibility: Keyboard Navigation
Bloom's Level: 1. Remember
Difficulty: Easy
Gradable: automatic
Part 1
Section: 02.02
Subtopic: Shape and Size of the Milky Way
Topic: The Milky Way Galaxy
Unit: 02
The Milky Way is moving toward this galaxy in our ...
8. The Milky Way is moving toward this galaxy in our local cluster:
A. the magellanic clouds
B. M31
C. M101
D. edge of the universe
We will collide or nearly collide with M31 in about a billion years
9. Superclusters are ___________.
A. collections of many clusters of galaxies
B. collections of many star clusters
C. our local group
D. the whole universe
Superclusters are clusters of galactic cluster.
Accessibility: Keyboard Navigation
Bloom's Level: 1. Remember
Difficulty: Easy
Gradable: automatic
Part 1
Section: 02.04
Subtopic: Distribution of Galaxies
Subtopic: Galaxy Interaction and Evolution
Subtopic: Structure of the Universe
Topic: Cosmology
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