Agrippa (astronomer)
Agrippa (
Greek astronomer. The only thing that is known about him regards an astronomical observation that he made in 92 AD.[1] Ptolemy writes that in the twelfth year of the reign of Domitian, on the seventh day of the Bithynian month Metrous, Agrippa observed the occultation of a part of the Pleiades by the southernmost part of the Moon.[2]
The purpose of Agrippa's observation was probably to check the precession of the equinoxes, which was discovered by Hipparchus.[3]
The lunar crater Agrippa is named after him.[4]
References
- ^ Ptolemy. Almagest. VII, 3.
- ^ Jodra, Serge (2004–2017). "Agrippa". Imago Mundi (in French). Retrieved 27 June 2019.
- Hodges, Figgis. pp. 155–157.
- ISBN 9780521813921.
External links
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