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Titan Trivia Questions

How much do you really know about Titan? Below are 8 true or false statements. Click each one to reveal the answer and explanation.

1.

Titan’s surface temperature is warm enough for liquid water to flow freely.

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Easy
✗ FALSE

Titan’s surface is a frigid -179°C (-290°F), far too cold for liquid water. Methane and ethane are liquid at those temperatures.

2.

Titan’s atmosphere is mostly nitrogen, like Earth’s, but much thicker and colder.

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Easy
✓ TRUE

At 95% nitrogen, Titan’s atmosphere is the densest of any moon in the solar system, with surface pressure 1.5 times Earth’s.

3.

Titan has a methane cycle similar to Earth's water cycle, with rain and liquid lakes.

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Medium
✓ TRUE

Titan is the only other world with stable liquid on its surface—methane forms clouds, rain, and vast lakes, just like water on Earth.

4.

Titan is the only moon in the solar system with a substantial atmosphere.

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Medium
✗ FALSE

Several moons have atmospheres, including Triton and Io. Titan’s is just the thickest and most Earth-like in composition.

5.

Titan was discovered by Galileo in 1610, the same year he found Jupiter’s largest moons.

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Medium
✗ FALSE

Galileo discovered Jupiter’s moons. Titan was discovered in 1655 by Christiaan Huygens, orbiting Saturn.

6.

Scientists have confirmed liquid water oceans exist beneath Titan’s icy crust.

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Hard
✓ TRUE

Data from Cassini revealed a subsurface ocean of liquid water and ammonia, making Titan a prime candidate for potential alien life.

7.

Titan’s dunes are made of solid ice grains blown by wind, not sand.

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Hard
✓ TRUE

Titan’s dark equatorial dunes consist of hydrocarbon and nitrile particles, not silicate sand—they're like frozen soot dunes.

8.

Titan’s orange haze is caused by volcanic eruptions spewing sulfur compounds.

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Hard
✗ FALSE

The haze comes from methane photochemistry—sunlight breaks methane into organic particles called tholins, creating the orange smog.

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