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Aliens on 1,000 nearby stars could be watching us, scientists say

by Tech Rumors

Researchers from Cornell University say that some exoplanets could have a direct line of sight to observe life on Earth

Aliens on 1,000 nearby stars could be watching us, scientists say (Image: Getty Images/iStockphoto)

It’s one of the biggest unanswered questions in science – are there aliens on other planets?

Now, scientists claim that if there are aliens out there, they could already be watching us.

Researchers from Cornell University say that some exoplanets could have a direct line of sight to observe life on Earth.

The team has identified 1,004 stars with Earth in their line of sight, that could contain habitable, Earth-like planets.

Dr Lisa Kaltenegger, co-author of the study, said: “Let’s reverse the viewpoint to that of other stars and ask from which vantage point other observers could find Earth as a transiting planet.

The team has identified 1,004 stars with Earth in their line of sight, that could contain habitable, Earth-like planets (Image: Getty Images)

“If observers were out there searching, they would be able to see signs of a biosphere in the atmosphere of our Pale Blue Dot. And we can even see some of the brightest of these stars in our night sky without binoculars or telescopes”.

In the study, the team used data from NASA’s Transiting Exoplanet Survey Satellite (TESS) to assess which stars could have Earth in their line of sight.

Joshua Pepper, co-author of the study, said: “Only a very small fraction of exoplanets will just happen to be randomly aligned with our line of sight so we can see them transit.

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“But all of the thousand stars we identified in our paper in the solar neighborhood could see our Earth transit the sun, calling their attention.”

“If we found a planet with a vibrant biosphere, we would get curious about whether or not someone is there looking at us too,” Kaltenegger said.

“If we’re looking for intelligent life in the universe, that could find us and might want to get in touch” she said, “we’ve just created the star map of where we should look first.”

Source: https://www.mirror.co.uk/science/aliens-1000-nearby-stars-could-22894086

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