Have They Seen Us? | Space Time | PBS Digital Studios
PBS Space Time

Have They Seen Us? | Space Time | PBS Digital Studios

B1IntermediateNovember 14, 202622 min
  • One speaker
  • Science

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Sentence 7 of 12 · 0:22

and even decoded these signals?

.

An advanced alien race monitoring our planet, even from the nearest neighboring star, would

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0:00

A century of Earth's radio transmissions has now washed over thousands of other star systems, carrying with it some of our greatest broadcast masterpieces as well as our worst reality TV.

0:16

What are the chances that alien civilizations have detected and even decoded these signals? We are a young technological civilization. An advanced alien race monitoring our planet, even from the nearest neighboring star, would

0:36

have seen nothing. Radio quietness until only around a century ago. Then, beginning with the faint sporadic buzz of the first experiments with wireless transmission, the radio brightness of this small planet would have bloomed into a continuous planet-wide

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