En 2 questions réponses
A- What do you think about the space-ships in 100 years ?
B- I think the first space ships will not be very big, because it may still be experimental.
A- Yes i agree, but they may become bigger and bigger, and we might land on other planets !
-B I don't think so, because space travels in large ships might be very expensive and risky for the astronauts.
