In the solar system has eight planets, our planet is the third planet, right behind us, the fourth planet, which is Mars. Dozens of spaceships, including orbiting ships, landers, and self-propelled robots, have been sent to Mars by the Soviet Union, the United States, Europe, and Japan to study the surface, climate, and geography. matter of Mars. And there is one special thing about Mars, that Mars also has four seasons like the earth, but the length of the seasons are different. In the northern hemisphere, spring lasts for 7 months, summer lasts for 6 months, autumn lasts for more than 5 months, and winter lasts for 4 months. The largest dust storm with the most destructive power in the solar system. You can see the planet next to us, Mars, is wonderful, right, if you want, become an astronaut and go to Mars later.
