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Which moon is the only one known to have stable surface liquid methane lakes and seas?
Quick Answer
Titan is the only moon known to have stable lakes and seas on its surface, and they are made of liquid methane and ethane. These bodies of liquid are concentrated near its poles.
The Full Story
Titan is the only known moon with stable bodies of surface liquid. Because its surface is extremely cold, methane and ethane can exist as liquids there instead of water. Radar observations from the Cassini mission revealed lakes and seas, especially near Titan’s north pole. This makes Titan one of the most Earth-like places in terms of weather and surface liquids, even though the chemistry is very different.
Key Facts
1.Only known moon with stable surface seas
2.Lakes are mainly methane and ethane
3.Observed by Cassini
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Suggested video title for this topic:
"A moon with lakes and seas — but not of water!"
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