Why Do Scientists Think Titan Has an Atmosphere While the Large

question 76

Multiple Choice

Why do scientists think Titan has an atmosphere while the large moons of Jupiter(Ganymede, Callisto, Europa and Io) do not?

• A)The jovian satellites lost their atmospheres because of Jupiter's thermal radiation.
• B)The jovian satellites never formed atmospheres because the solar nebula was too hot there.
• C)The jovian satellites had their atmospheres stripped by Jupiter's gravitational pull.
• D)The jovian satellites experienced too many collisions in their lifetimes to maintainatmospheres.
• E)Titan got its atmosphere by accreting gases from Saturn. The jovian satellites were competingwith one another to do this, so it was unsuccessful for any of them.

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