What is the main reason that Titan has a significant atmosphere, while the Galil
ID: 119717 • Letter: W
Question
What is the main reason that Titan has a significant atmosphere, while the Galilean satellites of Jupiter do not?
Titan formed at a lower temperature, which trapped gases inside it that later outgassed.
The Galilean satellites of Jupiter are colder, and thus less chemically active, than Titan.
Titan is bigger than Jupiter's Galilean satellites and thus has a smaller escape velocity.
Titan has active sulfur volcanoes that continuously throw out material into its atmosphere.
Titan has a larger greenhouse effect, which helps to trap gases near its surface.
Titan formed at a lower temperature, which trapped gases inside it that later outgassed.
The Galilean satellites of Jupiter are colder, and thus less chemically active, than Titan.
Titan is bigger than Jupiter's Galilean satellites and thus has a smaller escape velocity.
Titan has active sulfur volcanoes that continuously throw out material into its atmosphere.
Titan has a larger greenhouse effect, which helps to trap gases near its surface.
Explanation / Answer
Titan formed at lower temperature which trapped gases inside it that later outgassed
Titan managed to trap considerable gas-rich ice in its interior. Over time, heat from infalling objects and from the decay of radioactive elements within its rocks liberated much of this gas, creating the dense nitrogen-rich atmosphere we see today.
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