1、优质文档优质文档Whats it like in space?太空是个充满魅力的神奇世界，你知道它到底是什么样子的吗？When we talk about the universe, we mean the earth, the sun, the moon, the stars and the space between them. Many stars look very small because they are so far away. In fact, some of them are even larger than our sun. Space is large and fasc
2、inating. Space contains (包含) every bit of matter and every kind of energy. However, most parts of it are completely empty. In the large empty areas between stars and planets, there are no molecules (分子) to vibrate (振动).So there is no sound there. Space can be beautiful. The planets, stars, galaxies
3、and other things make many beautiful and colourful shapes. We can see them by telescope. Space can be dangerous. In deep space we would die at once if there is nothing to protect us. When the earth travels through space, the atmosphere (大气) keeps us safe. It is like a comfortable blanket to keep the cold and other dangers out.
