the human body will encounter complications in low and zero gravity
ftl will never happen
space stations are a scam that rich tech ceo's promise
mars cannot be terraformed
life is probably unexceptional and we will never make contact with others
you will all die on earth
well low earth orbit satellites have the benefit of eventually falling into the atmosphere and burning up so Elon's skynet isn't an issue there
They can be zapped with lasers too.