Scientific curiosity; Does he hear us out there? - My Actifit Report Card: November 2 2024

It is popularly said that radio and television programs go into space and can reach other stars and extraterrestrials can see us. Keep in mind that radio emissions, except for some very powerful ones, end up diluting with distance and ending up in the soup. of cosmic radiation, which makes it very difficult for them to capture our radio and television programs far from Earth. I doubt that at most Alpha Centauri or the next Centauri, but little else, I don't think they can go much further.

There are powerful radio emissions that are sent from radio telescopes like the one that was sent not long ago from Spain to the North Star with a message and with indications of who we humans are and where the Earth is, something that Stephen Hawking did not like because I was afraid that the aliens knew that we existed and that they also knew where we are.

It is one of the controversies that exists on the subject of whether it is good to make ourselves known, and it is that with the discoveries that we are making of so many exo planets, making ourselves known is completely irrelevant, the Earth cannot be hidden, if there has ever been one civilization or there are technological civilizations in this galaxy, they have been able to see us for about 3,500 million years, because from that moment on the earth's atmosphere was altered by the existence of life and with the technology that we currently have with James Webb and With the telescopes that are being developed we can detect exoplanetary atmospheres and their atmospheres and determine if it is an atmosphere compatible with life, that is, with the technology we have, imagine a civilization with a somewhat more advanced technology they could perfectly have seen us a long time ago billions of years.

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! The truth will set us free and science is the one that is closest to the truth!

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