一、中国离太空旅游多远？
大概有10000000000000公里
二、太空的旅行读后感二年级？
我通过读这本书，了解了星系是众多不同天体的总称，有些是团状的，有些则是螺旋形，所有的行星都以不同的速度围绕太阳公转。
我还了解到太空旅行有两种方式，无人驾驶和载人飞行，通常情况下，无人驾驶无法安然返回地球，甚至还可能会飞离太阳系。
三、写一篇关于未来太空旅行的英语作文。请就空间旅行的重要性和这种空间旅行的可能性发表意见？
Space travel Space travel is ideal for people to travel in space. Space travel gives people a hitherto unknown experience. The most novel is that you can enjoy the beautiful scenery of space. At the same time you also can enjoy the taste of weightlessness. In the near future, People may go to space travel.
Advantages of space travel is as follows.1.space travel provides a new space for human living 2. To provide people with new energy3. To help people better understand the universe4. Space research is good for other areas Although Space travel is beautiful It has disadvantages.
At first it costs too much. Secondly the idea of Human live on other planets is unrealistic.At last Space travel is dangerous.
As for me, all these problems will certainly be solved Step by step. A much better and brighter future waits for us.