wat is blasstoff like????
earth's orbit????????
wat do they do to stay healthy????
wat type of exercise do they do?????
effect on weightlessness??????
atmosphere of the moon????
lunar soil and craters????
transportation on the moon????????
science experiments???????
reentry and splash down????????
It sounds like you need to review the Apollo project. You can find the information you seek at
http://history.nasa.gov/apollo.html
Enjoy!