Because Titan has thicker nitrogen air and just 14% of Earth's gravity, giant liquid methane raindrops drift gently downward about 6 times slower than Earth rain.
With surface pressure 1.45 times Earth's but low gravity, raindrops on Titan can grow over 9 mm wide yet reach a terminal velocity of only ~1.6 m/s—nearly the gentle falling speed of Earth snowflakes.
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Quick Guess: Roughly how many times slower do methane raindrops fall on Titan compared to Earth?
Verified Answer: 6 times
Quiz Question: Why does liquid methane rain drift downward ~6 times slower on Titan than rain on Earth?
Correct Answer: Titan combines thick surface air drag with only ~14% of Earth's gravity
Weak gravitational pull paired with dense nitrogen atmosphere slashes droplet terminal velocity.
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