Radio Signals From Earth Already Reached These Habitable Planets


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Radio Signals From Earth Already Reached These Habitable Planets

Radio Signals From Earth Already Reached These Habitable Planets

For billions of years, Earth has been playing a cosmic game of hide-and-seek.

New research published today in Nature posits that roughly 1,700 stars are in the right position to have spotted life on Earth as early as 5,000 years ago. These stars, within 100 parsecs (or about 326 light-years) of the sun, were found using data from NASA’s Transiting Exoplanet Survey Satellite and the European Space Agency’s Gaia mission.

And with thousands of exoplanets already found orbiting other stars in our universe, could we have already seen life on other planets come and go? Might they have seen us?


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