"Sylvain" wrote in message...
If a extraterrestrial civilization growed on a type system like TRAPPIST-1
with seven telluric planets whose three planets in habitable area.
They can more easily that us make the space trips and see more interest
that us to the space trips

I'm not following you my friend.

So they can to be more regular with the space trips and then run the
interstellar trips more easily

Why is that? Do you figure they are in less of a gravety hole?

In more, TRAPPIST-1 system has been discovery because us are in the
ecliptic's plan of TRAPPIST-1 system. Our discoveries are not
representative of the reallity. Maybe there are many of systems like
TRAPPIST-1

Yes, maybe there are plenty more such systems.