The Daily Galaxy on MSN
Earth’s radio bubble: How far have our signals really traveled?
The journey of Earth’s radio signals began over a century ago, following the first intentional broadcast by Reginald Aubrey ...
Starlust on MSN
Earth’s expanding radio bubble reveals how far human signals have spread into space
A 2019 study conducted by Lisa Kaltenegger and Jackie Faherty for Cornell University examined which nearby stars could detect our Earth by seeing it pass in front of the sun. The study notes: "Even ...
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