Al-Battani

GPTKB entity

Properties (68)
Predicate Object
gptkbp:instanceOf mathematician
astronomer
gptkbp:associatedWith gptkb:House_of_Wisdom
Islamic Golden Age
gptkbp:birthYear 858
gptkbp:bornIn gptkb:Harran
gptkbp:contribution refinement of the length of the solar year
solar and lunar eclipses calculations
improvements in the use of sine functions
gptkbp:deathYear 929
gptkbp:famousFor calculating the timing of celestial events in astronomy
calculating the timing of celestial events in history
accurate star catalogs
calculating the distance to the moon
calculating the distance to the sun
calculating the length of the day
calculating the length of the year
calculating the obliquity of the ecliptic
calculating the phases of the moon
calculating the positions of celestial bodies
calculating the positions of planets
calculating the positions of stars
calculating the precession of the equinoxes
calculating the seasons
calculating the size of the earth
calculating the size of the moon
calculating the size of the sun
calculating the timing of astronomical phenomena
calculating the timing of celestial alignments
calculating the timing of celestial changes
calculating the timing of celestial cycles
calculating the timing of celestial events
calculating the timing of celestial fluctuations
calculating the timing of celestial movements
calculating the timing of celestial rhythms
calculating the timing of celestial shifts
calculating the timing of celestial transitions
calculating the timing of celestial variations
calculating the timing of eclipses
calculating the timing of equinoxes
calculating the timing of lunar phases
calculating the timing of planetary transits
calculating the timing of solar phases
calculating the timing of solstices
gptkbp:field astronomy
mathematics
https://www.w3.org/2000/01/rdf-schema#label Al-Battani
gptkbp:influenced Islamic_astronomy
gptkbp:influencedBy gptkb:Ptolemy
gptkbp:inventor new astronomical instruments
astrolabe improvements
gptkbp:knownFor trigonometry
astronomical calculations
gptkbp:language gptkb:Arabic
gptkbp:legacy contributions to navigation
influence on later astronomers
impact on the development of trigonometry
gptkbp:nationality Arab
gptkbp:notableWork gptkb:Al-Zij_al-Sabi
gptkbp:occupation gptkb:philosopher
scientist
gptkbp:placeOfDeath gptkb:Raqqa
gptkbp:research celestial bodies
planetary motion
star positions
gptkbp:technique observational astronomy
mathematical astronomy
gptkbp:wrote gptkb:Kitab_al-Zij