The Parkes radio observatory in Australia is mostly introduced as the candidate for the observatory that makes the first contact with Aliens. The reason for that is that the radio observatory is on the southern side of Earth. That side is the center of the Milky Way. There are more stars on that side of Earth than on the northern side of Earth. And that's why it's more likely that the first contact with alien civilization is made just in Parkes radio observatory. The thing that makes those signals mysterious is that their origin is unknown. There is the possibility that there is some kind of still unknown star type near Sagittarius A the supermassive black hole. The conditions near the center of the Milky Way are infernal. And there is the possibility that near the center of the Milky Way are stars that are getting more energy from the accelerating disk around Sagittarius A. We know that kind of effect in some cases where the exoplanet is orbiting its central star. Are...