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Do you know if about any simulations of what it would look like if there were alien radio operators? If there were 50 other Earths scattered around the galaxy
by jrumbut 6y ago
Do you know if about any simulations of what it would look like if there were alien radio operators?
If there were 50 other Earths scattered around the galaxy (ones that have been broadcasting like us but for longer) should the first television have imnediately picked up interstellar "I Love Lucy" or would it be faint anomalies from SETI? Somewhere in between?
- 7thaccount 6y agoThe milky way is 100,000 light years across and I love Lucy is what, 60-70 years old? I would say we've reached a very small portion of the milky way
- giantrobot 6y agoThe inverse square law says no [0]. Even relatively high powered transmitters aren't detectable for an Arecibo-class antenna more than a few AU from Earth. If you want a signal detected light years away you need it to be highly directional. An isotropic radiator emitting enough power to be detected light years away is called a star. So any SETI signals we might detect would almost certainly need to be intentional. That doesn't mean they would need to be responses to something we've broadcast just the sender was aiming their transmitter towards the solar system and sent a signal. [0] https://web.archive.org/web/20140719094337/http://www.computing.edu.au/~bvk/astronomy/HET608/essay/ https://web.archive.org/web/20140719094337/http://www.comput...