Are nearby planets sending radio signals to each other?
SMRTR summary
Astronomers used a new technique to search for alien radio signals from the TRAPPIST-1 star system during planet-planet occultations. The 28-hour scan with the Allen Telescope Array didn't find evidence of extraterrestrial technology but introduced improved methods for future searches, potentially detecting signals as weak as those used to communicate with Mars rovers.
SMRTR provides this summary for quick context. The original article belongs to Science Daily.
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