They picked up signals from two black holes merging light-years away
Scientists say they have proven the existence of gravitational waves — the ripples in space-time that stem from objects moving throughout the Universe. If true, it's the first time these waves have been measured directly and marks one of the biggest scientific discoveries in decades. But there have been a few false alarms before. The discovery was made by the large group of researchers who make up the Laser Interferometer Gravitational-Wave Observatory Scientific Collaboration.
The ball bends the blanket, creating an impression in the fabric. Planets and stars are the bowling ball; space-time is the blanket. Now, imagine rolling a marble across that blanket with the bowling ball on it. The marble is going to follow the curve of the blanket down toward the ball. Smaller objects like asteroids act like the marble when near a bigger mass: they following the curvature of space-time the larger object creates.
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