The authors of the new work used an observatory (LIGO) - it has laser detectors to search for ripples in fabric
Waves arise from black collisionsholes and neutron stars. These events are so powerful that they ripple space-time and send waves several hundred kilometers away. In recent years, scientists have begun to develop detectors that respond to very small gravitational waves.
The authors of the new work used their newinstallation. This gravitational wave detector is like a bell: it rings when a gravitational wave hits it. During the 153-day experiment, it rang twice, for one or two seconds each time.
Now scientists are trying to figure out what it was. They assumed they were charged particles or cosmic rays.
Other assumptions is one of the typesDark matter is an axion, which orbits a black hole and emits gravitational waves. In addition, the authors believe that the received signal appeared during the formation of the Universe, namely during the period when it was expanding and moving from one stage to another.
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