Gravitational Waves: The Science Behind the Discovery

Cosmo Sight - Astronomy & science on Instagram: "Tides happen because of the gravitational pull between Earth and the Moon. Both orbit a common center of mass, and this movement creates bulges of water on opposite sides of our planet. As Earth rotates through these bulges, we see the regular rise and fall of sea levels. #space #physics #sciencefacts #astronomy"

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