Помогите пожалуйста с английским.

A Humans would need to be self-sufficient to

survive in space long-term.

B The only question is whether this happens in

years, centuries or millennia.

C Exploring space, however, is not without risk.

D This costs a lot of money.

E Nevertheless, Professor Hawking believes that

we can afford to give 0.25% of the world\'s

financial resources to colonise space.

He believes that sooner or later we will be wiped out

by a catastrophe such as a meteor or nuclear war.

G That way, we could reach the next star to Earth

in just 6 years.

H However, even if we found the perfect planet, we

might not be able to get there at the moment.