some challenges to creating to create a message to be understood by aliens is that they might be speaking another language that we can't translate.

I think that if the moon wasn't in the gravitational pull it will fly into space.

If there wasn't any gravitational force between the moon then it will fly off into space.

I would like Trump to fight Isis because there killing many people in the U.S. I would also want Trump to make peace with Korea because people don't want Korea firing the bomb.