Scientists meeting for a SETI conference have been told that recent developments in communications technology are rendering the Earth less detectable to alien civilizations.
People will react in different ways to this news, depending on whether one's vision of alien life is that of a Reese's Pieces-munching E.T., an all-knowing elder race, a Grey, a Predator, or any of an endless number of other possibilities.
Link. Image credit.
In the past, TV and radio programmes were broadcast from huge ground stations that transmitted signals at thousands of watts. These could be picked up relatively easily across the depths of space, astronomers calculated.
Now, most TV and radio programmes are transmitted from satellites that typically use only 75 watts and have aerials pointing toward Earth, rather than into space...
"Very soon we will become undetectable," he said. In short, in space no one will hear us at all.
People will react in different ways to this news, depending on whether one's vision of alien life is that of a Reese's Pieces-munching E.T., an all-knowing elder race, a Grey, a Predator, or any of an endless number of other possibilities.
Link. Image credit.
Actually this may help us ignore the pesky young civilizations that are just JIBBERING IN ALL CAPS across the galaxy so we can concentrate on talking to the more intelligent races that set up beacons designed to attract those who want to talk intelligently.....
(Oh crap, is there a galactic Chris Hansen Dateline Predator channel out there?????)