Do you know how many stars may have 'seen' life on earth? Scientists have the answer
Global Warming Earth
Our powerful telescopes have been looking for life outside Earth, but have you ever wondered if other solar systems are 'looking back' at us, for life on our planet?
If so, how many of the stars outside our solar system could 'see' us?
Scientists may have the answer.
Also read | Aliens on 1000 nearby stars could see us, new study suggests
They have reported that 1,715 stars within 100 parsecs from the Sun are in the right position to have spotted life on a transiting Earth since early human civilisation about 5,000 years ago.
One parsec is 3.26 light years.
An additional 319 stars will enter this special vantage point in the next 5,000 years, according to a study by scientistsat Cornell University, published in the journal Nature.
Also read: Scientists recently scanned 10 million stars for alien technology, what did they find?
Among these stars are seven known exoplanet hosts, including Ross-128, which saw Earth transit the Sun in the past, and Teegarden’s Star and Trappist-1, which will start to see it in 29 and 1,642 years, respectively, said the study.
Also read:Strange news alert! Miley Cyrus, Demi Lovato reveal seeing aliens and UFO
"We found that human-made radio waves have already swept over 75 of the closest stars on our list,' said Lisa Kaltenegger and Jackie Faherty, the authors of the study.
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