阅读短文 阅读短文·英文·题干Welcome to the Space Station for Children! Look at this big room. There is a model spaceship here. There are many photos of planets on the wall. There is a red photo of Mars. Scientists say there is water on Mars, but there are no trees and no people. There isn't any air like the air on Earth. Look into this telescope. There are bright stars in the dark sky. Is there an alien in space? There is no sign of aliens. There aren't any aliens near Earth. But space is very, very big, so we keep asking questions. Maybe one day, you can find the answer!