Some exoplanets may also be able to see us – ScienceDaily – AlKhaleej Today

Three decades after Cornell astronomer Carl Sagan suggested that Voyager 1 should capture the image of Earth from billions of kilometers away resulting in the iconic Pale Blue Dot photo two astronomers now offer another unique cosmic perspective: some Exoplanets planets beyond our own sun system have a direct line of sight to observe the biological properties of the earth from a distance. Lisa Kaltenegger, associate professor of astronomy at Cornell University and director of the Carl Sagan Institute,…

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