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 Laser Interferometer Gravitational-Wave Observatory ? 

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 Laser Interferometer Gravitational-Wave Observatory ? 

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The Laser Interferometer Gravitational-Wave Observatory, abbreviated as LIGO, is a large-scale physics experiment that aims to directly detect gravitational waves.

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Archimedes' thrust is the particular force experienced by a body immersed in whole or in part in a fluid (liquid or gas) subjected to a gravity field.

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Low tide and high tide; How does it works?

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Low tide and high tide; How does it works?

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Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon and the Sun and the rotation of Earth.

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Attractive force which exerts between all the bodies having a mass and wich Newton is the founder.

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Everything that exists, especially all physical matter, including all the stars,planets, galaxies, etc. in space.