- Gravitational waves are ripples in the fabric of spacetime caused by cataclysmic events in the universe such as colliding black holes or neutron stars.
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Ripple
- a small wave on the surface of water
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Cataclysmic - changing a situation in a sudden, violent, and
unpleasant way
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Collide - if people or things collide, they crash into each other
- Hence the observatory offers a way of looking back in time to unravel mysteries pertaining to the early days of the universe’s existence.
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Unravel - to understand something complicated by thinking about
it for a long time
