Story perspectives

NASA's Relay 2 Satellite Sends Mysterious Signal After Years

7/10/2025

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Summary

Story summary

In a stunning turn of events, NASA's once-silent Relay 2 satellite sprang to life in June 2024, sending out a remarkable 30-nanosecond radio pulse detected by Australia's Square Kilometer Array Pathfinder. This mysterious signal, possibly triggered by a micrometeorite impact or electrostatic discharge, underscores the urgent need for resilient satellite technology and showcases the vital role of cutting-edge radio telescopes in unraveling the cosmos.

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Story summary

In a stunning turn of events, NASA's once-silent Relay 2 satellite sprang to life in June 2024, sending out a remarkable 30-nanosecond radio pulse detected by Australia's Square Kilometer Array Pathfinder. This mysterious signal, possibly triggered by a micrometeorite impact or electrostatic discharge, underscores the urgent need for resilient satellite technology and showcases the vital role of cutting-edge radio telescopes in unraveling the cosmos.