SMRTR Science & EngineeringJun 25, 2025Live Science

Zombie NASA satellite emits powerful radio pulse after 60 years of silence

SMRTR summary

In June 2024, astronomers detected a brief, powerful radio burst from within the Milky Way, traced to Relay 2, a NASA satellite offline since 1967. Scientists attribute the burst to a micrometeorite impact or electrostatic discharge on the satellite. This event has sparked interest in using radio detection to study space electrostatic discharges, particularly relevant due to increasing space debris and small satellites in orbit.

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