What evidence supports the idea that Pluto's subsurface ocean has been freezing over time?
New study suggests Pluto started out with a liquid ocean

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Science, Other, Geography, Biology, Physics
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11th Grade - University
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The presence of volcanoes on Pluto's surface
Temperature measurements from Pluto's atmosphere
Images showing ridges and troughs indicating expansion
The discovery of new moons around Pluto
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the study, what is one source of heat that may have kept Pluto's ocean liquid?
Heat from Pluto's core
Collisions with rocks and radioactive decay
Tidal forces from nearby moons
Solar radiation
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which journal published the study on Pluto's subsurface ocean?
Science
Nature Geoscience
The Astrophysical Journal
Astronomy & Astrophysics
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the composition of Pluto's mantle as suggested by the study?
Gaseous atmosphere
Metallic core
Watery ice
Rocky material
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following Kuiper belt objects is mentioned as potentially having had a liquid ocean?
Sedna
Ceres
Eris
Charon
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