Multiple choice

It rained on Titan. But instead of water it was

  1. Nitrogen

  2. Neon

  3. Iron particles

  4. Methane

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Titan, the largest moon of Saturn, has a thick atmosphere rich in nitrogen and methane. Due to the extremely cold temperatures, methane exists in liquid form and falls as rain, creating lakes and rivers on the surface.