ET search: Look for the aliens looking for Earth

René Heller, Max Planck Institute for Solar System Research in Göttingen, a former postdoc with the Origins Institute and Ralph Pudritz published “The Search for Extraterrestrial Intelligence in Earth’s Solar Transit Zone” in Astrobiology. They investigated a strategy based on which external observers would be able to observe the transit of the Earth across our Sun - the preferred method that we use today to detect Earth-like planets around other stars as defined by the Kepler mission.

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