I'm not really sure what you're asking, but the astronauts live on the moon in much the same way that man lives underwater. They have to take everything with them to survive including food, water, oxygen and a method to purify the air.
While they didn't know with absolute certainty that it was safe, previous unmanned missions to the moon (such as the Surveyor missions) had proven quite successful, and while no mission like the moon landing can ever be completely safe, the astronauts didn't feel they were taking any undue risk with their lives.
No astronauts have died on the moon. All astronauts who have traveled to the moon returned safely to Earth.
No astronauts littered the moon.
Yes all the three astronauts of Apollo 11 returned safe and sound.
While on the moon the astronauts lived in their lunar module.
There were a total of 12 astronauts who walked on the moon.
The statement that astronauts on the Moon are weightless is true.
The correct capitalization would be "Did your astronauts land on the moon?"
People who go to the moon are called astronauts.
The astronauts were collecting moon rocks and taking pictures as well.
12 astronauts from 6 successful moon landing missions have walked on the moon's surface.
There have been no astronauts on the moon since the end of the Apollo missions.