Answer:
you learn and explore!
discoveries benefit everybody (just like Neil Armstrong said, “That’s one small step for man, one giant leap for mankind,"
advancements in astrology/space science
looks for possible energy resources (because of climatoligical changes etc)
jobs! so many people have jobs w/ NASA etc
you can study movements of foreign objects to plan (asteroid for example)
make new friends on the mission
educates kids
Cons:
very very expensive
risks to astronauts
exposure to radiation
possibility of bringing unknown and/or harmful elements to Earth
conflicts between countries (as with JFK's "The Moon Speech")
stuff may be lost (space stuff)
I really hope this helps!
Explanation:
