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Jean Richer

Index Jean Richer

Jean Richer (1630–1696) was a French astronomer and assistant (élève astronome) at The French Academy of Sciences, under the direction of Giovanni Domenico Cassini. [1]

8 relations: Astronomer, Astronomical unit, Cayenne, Giovanni Domenico Cassini, Gravimetry, Isaac Newton, Ligne, Seconds pendulum.

Astronomer

An astronomer is a scientist in the field of astronomy who concentrates their studies on a specific question or field outside the scope of Earth.

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Astronomical unit

The astronomical unit (symbol: au, ua, or AU) is a unit of length, roughly the distance from Earth to the Sun.

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Cayenne

Cayenne is the capital city of French Guiana, an overseas region and department of France located in South America.

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Giovanni Domenico Cassini

Giovanni Domenico Cassini (8 June 1625 – 14 September 1712) was an Italian (naturalised French) mathematician, astronomer and engineer.

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Gravimetry

Gravimetry is the measurement of the strength of a gravitational field.

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Isaac Newton

Sir Isaac Newton (25 December 1642 – 20 March 1726/27) was an English mathematician, astronomer, theologian, author and physicist (described in his own day as a "natural philosopher") who is widely recognised as one of the most influential scientists of all time, and a key figure in the scientific revolution.

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Ligne

The ligne or line or Paris line, is a historic unit of length used in France and elsewhere prior to the adoption of the metric system in the late 18th century, and used in various sciences after that time.

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Seconds pendulum

A seconds pendulum is a pendulum whose period is precisely two seconds; one second for a swing in one direction and one second for the return swing, a frequency of 1/2 Hz.

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References

[1] https://en.wikipedia.org/wiki/Jean_Richer

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