Statements (192)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:Mathematician
gptkb:historical_figure gptkb:astronomy |
| gptkbp:associated_with |
gptkb:Hellenistic_period
gptkb:Hippias gptkb:Ancient_Greece gptkb:ancient_Greece gptkb:astronomy Pythagoreanism geography Athenian festivals Athenian aristocracy Athenian economy Athenian philosophers Athenian military leaders |
| gptkbp:birth_year |
c. 190 BC
circa 550 BC |
| gptkbp:born_in |
gptkb:Rhodes
gptkb:Chios gptkb:Nicaea |
| gptkbp:child |
gptkb:Hippias
|
| gptkbp:contemporary |
gptkb:Herodotus
|
| gptkbp:contributed_to |
gptkb:Open_Solaris
gptkb:Army geography |
| gptkbp:contribution |
Trigonometry
Celestial mechanics latitude and longitude system solar and lunar eclipses prediction stellar magnitude system |
| gptkbp:created |
Lunar theory
the first known star catalog |
| gptkbp:cultural_impact |
Athenian literature
|
| gptkbp:death_year |
c. 120 BC
|
| gptkbp:developed_by |
trigonometry
Astronomical instruments Magnitude scale for stars |
| gptkbp:died_in |
gptkb:Rhodes
514 BC |
| gptkbp:discovered_by |
the solar anomaly
Solar anomalies |
| gptkbp:established |
Star positions
the magnitude scale for stars |
| gptkbp:ethnicity |
Greek
|
| gptkbp:father |
gptkb:Pisistratus
|
| gptkbp:field |
gptkb:Mathematics
gptkb:astronomy |
| gptkbp:field_of_study |
gptkb:astronomy
|
| gptkbp:gender |
male
|
| gptkbp:historical_context |
tyranny in ancient Greece
5th century BC Athens |
| gptkbp:historical_impact |
Athenian governance
|
| gptkbp:historical_role |
Athenian governance
opposition to democracy |
| gptkbp:historical_significance |
political power struggles
Athenian power dynamics |
| https://www.w3.org/2000/01/rdf-schema#label |
Hipparchus
|
| gptkbp:influence |
Athenian politics
|
| gptkbp:influence_on |
Athenian society
Athenian law later tyrants Athenian military strategy Athenian architecture philosophy in Athens |
| gptkbp:influenced |
gptkb:Islamic_astronomy
gptkb:Ptolemy modern astronomy Renaissance astronomy |
| gptkbp:influenced_by |
gptkb:Aristarchus_of_Samos
|
| gptkbp:is_active_in |
the 2nd century BC
|
| gptkbp:is_associated_with |
the ancient Greek world
|
| gptkbp:is_considered |
a key figure in the history of science
one of the greatest astronomers of antiquity the father of trigonometry a pioneer in the field of astronomy |
| gptkbp:is_evaluated_by |
the length of the year
|
| gptkbp:is_known_for |
his innovative methods
his systematic approach to astronomy his accurate observations his work in celestial mechanics |
| gptkbp:is_remembered_for |
his contributions to navigation
his contributions to astronomy his influence on later astronomers his star catalog his work on the precession of the equinoxes |
| gptkbp:is_studied_in |
Eclipses
lunar eclipses solar eclipses |
| gptkbp:known_for |
gptkb:military_campaigns
gptkb:political_intrigue gptkb:astronomy gptkb:cultural_patronage gptkb:political_repression gptkb:political_maneuvering patronage of the arts political alliances wealth accumulation alliances with other city-states public works projects Precession of the equinoxes Star catalog strategic marriages civic contributions developing trigonometry precession of the equinoxes stellar catalog tyranny in Athens building projects in Athens |
| gptkbp:language |
Greek
|
| gptkbp:legacy |
historical significance in astronomy
influence on later astronomers foundation of trigonometry tyranny in ancient Greece |
| gptkbp:measures |
the distance to the moon
|
| gptkbp:mother |
Argive woman
|
| gptkbp:notable_achievement |
First comprehensive star catalog
Influence on later astronomers contributed to the understanding of the solar system Influence on modern astronomy contributed to the understanding of the Milky Way contributed to the field of cartography developed methods for calculating distances in space contributed to the understanding of the Earth's rotation pioneered the use of observational data in astronomy established the importance of empirical data in science calculated the length of the year created a lunar theory developed a system for predicting eclipses discovered the precession of the equinoxes established the concept of celestial coordinates established the first known star catalog first to use trigonometric functions improved the accuracy of astronomical measurements influenced the development of celestial mechanics influenced the development of the astrolabe influenced the development of timekeeping methods influenced the field of navigation influenced the scientific method in astronomy influenced the study of optics contributed to the understanding of planetary motion established the basis for later astronomical models developed methods for measuring angles in astronomy Recognition as the father of observational astronomy Recognition for his contributions to the understanding of the cosmos Recognition for his systematic approach to astronomy Calculation of the length of the year Cataloging of 850 stars Development of the first known star map Estimation of the axial tilt of the Earth Estimation of the distance to the moon Estimation of the distance to the sun Estimation of the precession of the equinoxes Foundation of observational astronomy Influence on Islamic astronomy Influence on Renaissance astronomy Introduction of the concept of celestial spheres Introduction of the concept of epicycles Introduction of the concept of stellar parallax Recognition as a pioneer of scientific methodology Recognition as the father of trigonometry Refinement of the geocentric model |
| gptkbp:notable_burials |
unknown location
|
| gptkbp:notable_event |
assassination in 514 BC
|
| gptkbp:notable_work |
gptkb:Almagest
On the Sizes and Distances of the Sun and Moon Commentary on the Phenomena |
| gptkbp:occupation |
gptkb:region
gptkb:philosopher gptkb:Mathematician gptkb:Scientist |
| gptkbp:place_of_birth |
gptkb:Nicaea
|
| gptkbp:place_of_death |
gptkb:unknown
|
| gptkbp:political_affiliation |
gptkb:Peisistratid_dynasty
|
| gptkbp:relation_to |
gptkb:Athenian_democracy
|
| gptkbp:relationship_with |
gptkb:Socrates
|
| gptkbp:rival |
gptkb:Cleisthenes
|
| gptkbp:role |
gptkb:Tyrant
|
| gptkbp:successor |
gptkb:Hippias
|
| gptkbp:uses |
observational astronomy
|
| gptkbp:was_a |
gptkb:Mathematician
gptkb:Scientist gptkb:historical_figure mathematician of antiquity Greek geographer Greek philosopher Hellenistic astronomer scientist of antiquity |
| gptkbp:wrote |
On the Sizes and Distances of the Sun and Moon
Commentary on the Phenomena Introduction to the Study of the Stars |
| gptkbp:bfsParent |
gptkb:Army
|
| gptkbp:bfsLayer |
4
|