Why Was It Thought That Titan May Have Oceans of Methane

question 92

Multiple Choice

Why was it thought that Titan may have oceans of methane?

• A)Titan's atmosphere contains traces of methane. Similarly, Earth's atmosphere contains tracesof water vapor. So, scientists thought Titan should have methane oceans.
• B)The atmospheric pressure at Titan's surface and its surface temperature are such that methaneshould be liquid on Titan's surface.
• C)The abundance of hydrocarbons in the atmosphere of Titan led scientists to believe that Titanhad an abundance of methane on its surface.
• D)Titan's atmosphere is like Earth's (mostly nitrogen), but its temperature is too low for water tobe in the liquid phase. The only other possible liquid was methane.
• E)Since Saturn has methane ice in its atmosphere, methane should be abundant in this region ofthe solar system. The sheer abundance of methane in the region led scientists to hypothesizemethane oceans on Titan.

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