The detection of ripples in space time known as gravitational waves here on Earth marks a watershed ...........

Science Affairs Physics

The detection of ripples in space-time, known as gravitational waves, here on Earth marks a watershed moment for astronomy and for science as a whole. Consider the following statements regarding this:

1. The signals of gravitational waves were detected by twin Laser Interferometric Gravitational-wave Observatory (LIGO) detectors.

2. The reason that gravitational waves have been so difficult to detect is that their effects are very tiny.

3. This opens the way to get information about the evolution of galaxies and black holes.

Which of the above statements are correct:

1 and 3 Only

2 only

2 and 3 only

1,2 and 3.

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Explanation:

exp: LIGO: All statements are true and The signals of gravitational waves were detected by twin Laser Interferometric Gravitational-wave Observatory (LIGO) detectors.The reason that gravitational waves have been so difficult to detect is that their effects are very tiny.This opens the way to get information about the evolution of galaxies and black holes.