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The Conversation USA

Blasting out Earth’s location with the hope of reaching aliens is a controversial idea – two teams of scientists are doing it anyway

  • Written by Chris Impey, University Distinguished Professor of Astronomy, University of Arizona
imageScientists think there are 300 million habitable planets in the Milky Way, and some may be home to intelligent life.Bruno Gilli/ESO, CC BY

If a person is lost in the wilderness, they have two options. They can search for civilization, or they could make themselves easy to spot by building a fire or writing HELP in big letters. For scientists...

Read more: Blasting out Earth’s location with the hope of reaching aliens is a controversial idea – two teams...

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