A mysterious and powerful blast of radio waves detected last year, suspected to originate far beyond the Milky Way came from a long-dead NASA spacecraft in Earth's orbit.

Astronomers thought a mysterious radio burst came from deep space. It was actually a dead NASA satellite

Source: space
Source Link: https://www.space.com/astronomy/astronomers-thought-a-mysterious-radio-burst-came-from-deep-space-it-was-actually-a-dead-nasa-satellite