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Life in these star-systems could have spotted Earth 5nvklj





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Life in these star-systems could have spotted Earth

Dragon
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Life in these star-systems could have spotted Earth Empty Life in these star-systems could have spotted Earth

Post by Dragon Thu Jun 24, 2021 4:06 am

Scientists at Cornell University and the American Museum of Natural History have identified 2,034 nearby star-systems—within the small cosmic distance of 326 light-years—that could find Earth merely by watching our pale blue dot cross our sun.

That's 1,715 star-systems that could have spotted Earth since human civilization blossomed about 5,000 years ago, and 319 more star-systems that will be added over the next 5,000 years.

Exoplanets around these nearby stars have a cosmic front-row seat to see if Earth holds life, the scientists said in research published June 23 in Nature.

"From the exoplanets' point-of-view, we are the aliens," said Lisa Kaltenegger, professor of astronomy and director of Cornell's Carl Sagan Institute, in the College of Arts and Sciences.


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Life in these star-systems could have spotted Earth 334pu7m
Dragon
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Life in these star-systems could have spotted Earth Empty Re: Life in these star-systems could have spotted Earth

Post by Dragon Thu Jun 24, 2021 4:07 am

Life in these star-systems could have spotted Earth Life-in-these-star-sys
Credit: OpenSpace/American Museum of Natural History

A view of Earth and Sun from thousands of miles above our planet.

Stars that enter and exit a position where they can see Earth as a transiting planet around our Sun are brightened.


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Life in these star-systems could have spotted Earth 334pu7m
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Life in these star-systems could have spotted Earth Empty Re: Life in these star-systems could have spotted Earth

Post by Dragon Thu Jun 24, 2021 4:08 am



Scientists identify 29 planets where aliens could observe Earth


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Life in these star-systems could have spotted Earth 334pu7m

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