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Carl Sagan is an absolute legend and a hero, and his book Contact and the movie it's based on is phenomenal. HOWEVER... we examined the central conceit of the story that aliens pick up our radio signals and return a message with instructions to build a machine and look at the stars inside the 100 lightyear bubble around Earth where our radio waves have traveled. And the potential of this happening... Well, it isn't good.
Sorry Carl.
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LINKS LINKS LINKS
The Contact opening scene: • Contact Intro Full HD
https://www.sciencemag.org/news/2021/...
https://www.naic.edu/ao/blog/hunting...
https://www.seti.org/setiinstitute/p...
https://imagine.gsfc.nasa.gov/ask_ast...
https://skyandtelescope.org/astronomy...
https://www.space.com/23772reddwarf...
https://www.nasa.gov/mission_pages/ch...
https://voyager.jpl.nasa.gov/mission/...
https://arxiv.org/abs/2010.14812
https://exoplanets.nasa.gov/searchfo...
https://www.nature.com/articles/s4158...
https://earthsky.org/space/study2034...