In this task, you will be shown a passage. You need to write a fill-in-the-gap question based on your understanding of the events that might be inferred from the passage. Your question should be answerable based on the passage and only have one correct answer. Show the gap in your question with a _ .

(CNN) Can you imagine how beautiful it might be to witness snow falling on the rust-colored surface of Mars or a steady rain of glittering diamonds on blue Neptune? No, these aren't images from Prince or David Bowie's lyric journals or scenes from some galactic version of "Game of Thrones." Rather, two studies published this week suggest what weather might be like on Mars, Neptune and Uranus. Martian snow by night The Phoenix Mars Lander detected snowfall on the Red Planet in 2009 using a laser instrument to observe how the atmosphere and surface interact. But the other rovers and landers that we've sent to Mars haven't been equipped with this tool.Snowstorms can occur on Mars only at nightHigh pressure turns carbon and hydrogen into solid diamond rain on ice giants
Farther out in the solar system are _ and Neptune, two ice giants that get their distinct blue color from methane atmospheres.