1|Page
ASTRO 1 EXAM 3 NEWEST 2025/2026 ACTUAL EXAM
COMPLETE QUESTIONS AND 100%CORRECT
DETAILED ANSWERS (VERIFIED FOR GUARANTEED
PASS |ALREADY GRADED A+
Saturn's ring particles are composed mainly of:
silicate rocks
frozen carbon dioxide
droplets of very cold methane
carbon that has been compressed until it is highly
reflective
water ice - ANSWER-water ice
What features are abundant on Callisto and Ganymede
and almost absent on Europa and Io?
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volcanoes
markings that show the surface is made of ice
impact craters
lakes and pools of liquid ammonia
rings - ANSWER-impact craters
When astronomers say that Ganymede is a differentiated
body, they mean that it:
has a northern hemisphere which is different from its
southern hemisphere
has more of the larger crater types than the smaller ones
has a magnetic field that is not centered on its axis of
rotation
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has a heavier core, surrounded by a lighter, icy mantle and
crust
has a color that is surprising among outer solar system
satellites - ANSWER-has a heavier core, surrounded by a
lighter, icy mantle and crust
The world in the solar system that is most active
volcanically is:
Earth
Neptune
Io
Mars
Ganymede - ANSWER-Io
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The moon Triton orbits which of the planets?
Mars
Jupiter
Saturn
Uranus
Neptune - ANSWER-Neptune
The moon Triton orbits which of the planets?
Mars
Jupiter
Saturn
Uranus
Neptune - ANSWER-Neptune
ASTRO 1 EXAM 3 NEWEST 2025/2026 ACTUAL EXAM
COMPLETE QUESTIONS AND 100%CORRECT
DETAILED ANSWERS (VERIFIED FOR GUARANTEED
PASS |ALREADY GRADED A+
Saturn's ring particles are composed mainly of:
silicate rocks
frozen carbon dioxide
droplets of very cold methane
carbon that has been compressed until it is highly
reflective
water ice - ANSWER-water ice
What features are abundant on Callisto and Ganymede
and almost absent on Europa and Io?
,2|Page
volcanoes
markings that show the surface is made of ice
impact craters
lakes and pools of liquid ammonia
rings - ANSWER-impact craters
When astronomers say that Ganymede is a differentiated
body, they mean that it:
has a northern hemisphere which is different from its
southern hemisphere
has more of the larger crater types than the smaller ones
has a magnetic field that is not centered on its axis of
rotation
,3|Page
has a heavier core, surrounded by a lighter, icy mantle and
crust
has a color that is surprising among outer solar system
satellites - ANSWER-has a heavier core, surrounded by a
lighter, icy mantle and crust
The world in the solar system that is most active
volcanically is:
Earth
Neptune
Io
Mars
Ganymede - ANSWER-Io
, 4|Page
The moon Triton orbits which of the planets?
Mars
Jupiter
Saturn
Uranus
Neptune - ANSWER-Neptune
The moon Triton orbits which of the planets?
Mars
Jupiter
Saturn
Uranus
Neptune - ANSWER-Neptune
