Video Description Planet Storm: Weather on Mars: Scientists have long wondered what triggers the devastating dust storms that rage across Mars. Travel to the Mohave Desert in the American Southwest, where scientists simulate the 200 mph Martian winds to study the effects the planet's harsh weather might have on visiting astronauts. Planet Storm: Weather on Jupiter: It is the largest planet in our solar system—a vibrant gaseous ball, one thousand times the size of Earth, raging with storms that last for centuries. Watch as scientists once again turn to Earth to simulate alien weather, to help them calculate the ferocity of Jupiter's monstrous thunderstorms. The Comprehension Questions are available to download as an RTF file. You can save the file to your desktop and open it in a word processing program.