Satellite Mix-Up: How a Dead NASA Craft Tricked Astronomers
Astronomers had a surprise when they thought they found a powerful radio burst from deep space. It turned out to be a signal from an old, broken NASA satellite called Relay 2. This satellite has been floating in space since 1964 and stopped working in 1967. The signal was so strong that it blocked out other signals from the sky. It lasted less than 30 nanoseconds, wh...