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Practice Speaking: Read Aloud
ID: #4291
Long Gravitational 1
About 130 million years ago, in a galaxy very far away from Earth, two dead stars collided to cause an explosion so great that it caused a wrinkle in space-time—a gravitational wave. The gravitational wave and the light from the explosion travelled across the universe and reached Earth at the same time.
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about 130 million years ago in a galaxy very far away from earth two dead stars collided to cause an explosion so great that it caused a wrinkle in space time—a gravitational wave the gravitational wave and the light from the explosion travelled across the universe and reached earth at the same time
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