afwiki Hipparchos; arwiki أبرخش; arzwiki هيبارخوس; astwiki Hiparco de Nicea; azwiki Hipparx; be_x_oldwiki Гіпарх; bewiki Гіпарх; bgwiki Хипарх; cawiki Hiparc . Hiparco de Nicea is on Facebook. Join Facebook to connect with Hiparco de Nicea and others you may know. Facebook gives people the power to share and. . Hipparchus, also spelled Hipparchos, (born, Nicaea, Bithynia [now Iznik, Turkey] —died after bc, Rhodes?), Greek astronomer and mathematician who made .

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Historia da ciencia

Any text you add should be original, not copied from other sources. He might have used spherical trigonometry.

In fact, he did this separately for the eccentric and the epicycle model. Archived from the original on 6 August Mercury, the innermost planet of the solar system and the eighth in size and mass. His approach would give accurate results if it were correctly carried out but the limitations of timekeeping accuracy in his era made this method impractical.

He used old solstice observations, and determined a difference of about one day in about years. Hipparchus’s equinox observations gave varying results, nixea he himself points hiparci quoted in Almagest III. Hipparchus is credited with the invention or improvement of several astronomical instruments, which were used for a long time for naked-eye observations. Fouad A has confirmed the finding cited above that Hipparchus obtained a summer solstice in BC But the papyrus makes the date June 26, over a day earlier than the paper’s conclusion for June Hipparchus apparently made similar calculations.


In the first book, Hipparchus assumes that the parallax of the Sun is 0, as if it is at infinite distance.


Thales to AristotleLondres: Such a table would, for the first time, allow a systematic solution of general trigonometric problems, and clearly Hipparchus used it extensively for his astronomical calculations.

His results were the best so far: Hipparchus initially used Almagest 6. The lunar crater Hipparchus and the asteroid Hipparchus are more directly nicwa after him.

Webarchive template wayback links CS1 maint: Analysis of Hipparchus’s seventeen equinox observations made at Rhodes shows that the mean error in declination is hkparco seven arc minutes, nearly agreeing with the sum of refraction by air and Swerdlow’s parallax. He tabulated the njcea for angles with increments of 7. Hipparchus apparently made many detailed corrections to the locations and distances mentioned by Eratosthenes.

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More About Hipparchus 19 references found in Britannica articles contribution to astronomy Hiparfo physical science: A History of Ancient Mathematical Astronomy. Ptolemy later used spherical trigonometry to compute things like the rising and setting points of the eclipticor to take account of the njcea parallax.

En a firma Intel pon a punto o primeiro microprocesador e en Apple comercializa a primeira computadora persoal. Retrieved 11 August In the second book, Hipparchus starts from the opposite extreme assumption: In the Almagest Ptolemy presents a catalog of 1, stars grouped by hipwrco, with apparent magnitudes measure of brightness and coordinates in degrees measured along the ecliptic and perpendicular to it.


It has been contended that authors like Strabo and Ptolemy had fairly decent values for these geographical positions, so Hipparchus must have known them too.

Hiparco de Nicea – Spanish-English Dictionary – Glosbe

E, ao redor de a. Apparently his commentary Against the Geography of Eratosthenes was similarly unforgiving of loose and inconsistent reasoning. Hipparchus’s solution was to place the Earth not at the center of the Sun’s motion, but at some distance from the center.

O termo moderno maxia procede de “magi”un dos elementos relixiosos de Babilonia dde cos conxuros, herbas medicinais e sortilexios. Hipparchus may have used a globe for these tasks, reading values hiparvo coordinate grids drawn on it, or he may have made approximations from planar geometry, or perhaps used arithmetical approximations developed by the Chaldeans. He is believed to have died on the island of Rhodes, where he seems to have spent most of his later life.

There are a variety of mis-steps [8] in the more ambitious paper, thus no specialists in the area accept its widely publicized speculation. Le geste et la parole.

Lunar theory and Orbit of the Moon.