Due to limited resources on Earth we must leave at some point. Compared to our current resources space has much more energy, metals, and gases than Earth. Isn't this common sense? I believe asteroids are our best option. There is no gravity or atmosphere to impede ships leaving them, and larger ones can even support communities.
The point of this debate was for my opponent to explain why humans shouldn't leave Earth. Not to explain why asteroids are bad. Not all asteroids are erratic and they are small enough that their course can be adjusted to fit the colony's needs. Asteroids can contain vital resources, the three main ones being iron, carbon, and water. Iron and carbon are used for used for the manufacturing of steel, that can be used for ships. Water can be used for drinking and for rocket fuel through electrolysis. You also don't find all asteroids in the turbulent asteroid belt. They can be found in almost all star systems and even in between. Our local cluster of stars also have high asteroid content. With more places to call home, humans are also less susceptible to destruction of a planet or group of asteroids, this idea is supported by Stephen Hawking. The fact remains the same, Earth and everything else in the universe is counting down to destruction. A species limited to one planet cannot survive.
Nidhogg28 explain to me this, how would we fund such an expedition? As of current no country has the necessary funding or materials. How would they choose who goes to the planets? People who have to stay on Earth might not enjoy that and riots would cause mass anger. There is always the competition of humans, we will never be able to truly unite. As the first colonies are set up a new era of war will begin that could ultimately destroy humanity.
Funding would come from wealthy investors looking for a profit, as many things can be manufactured better in space. People would be chose as volunteers. Many would be hesitant to leave Earth at first so housing could be developed, and Earth would be a place of comfort, while space is the frontier. The final frontier. While "humans will never unite" is a bit far, I believe you have a point. How would a war start? What is the cause? Please clarify your argument.