Talking about space with a brief background a little talk about pros and cons.
Sources:
https://www.tutorialspoint.com/fundamentals_of_science_and_technology/space_exploration_timeline.htm
https://sciencing.com/bad-things-space-exploration-8523069.html
https://www.livescience.com/33175-the-fallen-heroes-of-human-spaceflight.html
https://www.thrillist.com/tech/12-things-nasa-invented-that-you-use-everyday
https://www.nasa.gov/mission_pages/station/research/news/15_ways_iss_benefits_earth
https://medium.com/teamindus/all-the-arguments-for-space-exploration-ever-677858e7e0ae