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ASTRO 1 Exam 2 Study Guide 2025 – Astronomy Review, Practice
Questions, Flashcards & Key Concepts for College Students
ASTRO 1 exam 2 study guide 2025
ASTRO 1 astronomy exam 2 review
ASTRO 1 exam 2 practice questions
college astronomy exam 2 notes
astronomy exam 2 flashcards
ASTRO 1 midterm 2 practice test
astronomy test questions and answers
ASTRO 1 chapter review
how to pass ASTRO 1 exam 2
introduction to astronomy exam 2
Uranus and Neptune are only ___ times the radius of Earth, while Saturn and Jupiter are 10
times.
A. 4
B. 5
C. 2
D. 3 - ANSWER-A. 4
Uranus and Neptune composition - ANSWER-water, methane, ammonia, some H, He, and rock
Uranus axis tilt - ANSWER-extreme about 98 degrees on its side
Which major moon of Neptune rotates backwards?
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A. Titan
B. Io
C. Tritan
D. Europa - ANSWER-C. Tritan
Dwarf Planets - ANSWER-massive enough to for own gravity to make them round
icy, comet-like composition
biggest objects in Kuiper Belt
have moons
Plutos big moon - ANSWER-Cairne
- form binary system their center of gravity is between them
Comets tails come from - ANSWER-Icy nucleus turning to gas when entering inner solar system
What moon is NOT massive enough to be a planet if it orbited the Sun?
A. Ganymede
B. Titan
C. Europa - ANSWER-C. Europa
Which of Jupiters moons is volcanically active?
A. Io
B. Europa
C. Ganymede
D. Callisto - ANSWER-A. Io
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Which of Jupiters moons has the largest mass?
A. Io
B. Europa
C. Ganymede
D. Callisto - ANSWER-C. Ganymede
Which of Jupiters moons potentially has a subsurface ocean?
A. Io
B. Europa
C. Ganymede
D. Callisto - ANSWER-B. Europa
Which of Jupiters moons is a large cratered ice ball?
A. Io
B. Europa
C. Ganymede
D. Callisto - ANSWER-D. Callisto
Saturn has the same radius as Jupiter but is only ____ of the mass.
A. 15%
B. 20%
C. 25%
D. 30% - ANSWER-B. 20%
Saturn - ANSWER-6th planet
ASTRO 1 Exam 2 Study Guide 2025 – Astronomy Review, Practice
Questions, Flashcards & Key Concepts for College Students
ASTRO 1 exam 2 study guide 2025
ASTRO 1 astronomy exam 2 review
ASTRO 1 exam 2 practice questions
college astronomy exam 2 notes
astronomy exam 2 flashcards
ASTRO 1 midterm 2 practice test
astronomy test questions and answers
ASTRO 1 chapter review
how to pass ASTRO 1 exam 2
introduction to astronomy exam 2
Uranus and Neptune are only ___ times the radius of Earth, while Saturn and Jupiter are 10
times.
A. 4
B. 5
C. 2
D. 3 - ANSWER-A. 4
Uranus and Neptune composition - ANSWER-water, methane, ammonia, some H, He, and rock
Uranus axis tilt - ANSWER-extreme about 98 degrees on its side
Which major moon of Neptune rotates backwards?
,2|Page
A. Titan
B. Io
C. Tritan
D. Europa - ANSWER-C. Tritan
Dwarf Planets - ANSWER-massive enough to for own gravity to make them round
icy, comet-like composition
biggest objects in Kuiper Belt
have moons
Plutos big moon - ANSWER-Cairne
- form binary system their center of gravity is between them
Comets tails come from - ANSWER-Icy nucleus turning to gas when entering inner solar system
What moon is NOT massive enough to be a planet if it orbited the Sun?
A. Ganymede
B. Titan
C. Europa - ANSWER-C. Europa
Which of Jupiters moons is volcanically active?
A. Io
B. Europa
C. Ganymede
D. Callisto - ANSWER-A. Io
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Which of Jupiters moons has the largest mass?
A. Io
B. Europa
C. Ganymede
D. Callisto - ANSWER-C. Ganymede
Which of Jupiters moons potentially has a subsurface ocean?
A. Io
B. Europa
C. Ganymede
D. Callisto - ANSWER-B. Europa
Which of Jupiters moons is a large cratered ice ball?
A. Io
B. Europa
C. Ganymede
D. Callisto - ANSWER-D. Callisto
Saturn has the same radius as Jupiter but is only ____ of the mass.
A. 15%
B. 20%
C. 25%
D. 30% - ANSWER-B. 20%
Saturn - ANSWER-6th planet
