Pioneer 10 included a plaque, shown above. Pictographically, it shows humans, where we are, and where we come from. Just in case anyone should ever find it and get curious. At the bottom is a representation of the Solar System to help identify home…with nine planets.
That highlighted planet is Pluto. Now that they demoted Pluto, the aliens will never be able to find us.
Image by Carl Sagan / Frank Drake / Linda Salzman Sagan / NASA Ames via Wikimedia.