planispheric astrolabe

GPTKB entity

Statements (56)
Predicate Object
gptkbp:instance_of gptkb:Army
gptkbp:allows measuring angles
determining time
gptkbp:can_be_used_to find the time of sunrise
determine latitude
determine longitude
calculate altitude
find the time of sunset
locate stars
gptkbp:consists_of a flat disk
a rotating arm
gptkbp:developed_by gptkb:spherical_astrolabe
gptkbp:example medieval scientific instrument
gptkbp:features horizon line
equator
ecliptic
latitude scale
gptkbp:has_component gptkb:Seimas
gptkb:optics
alidade
rete
gptkbp:has_historical_significance gptkb:Islamic_Golden_Age
gptkbp:has_influence_on scientific education
astronomical models
modern navigation instruments
gptkbp:historical_use timekeeping
astrological predictions
navigation at sea
https://www.w3.org/2000/01/rdf-schema#label planispheric astrolabe
gptkbp:invention gptkb:ancient_Greece
gptkbp:is_notable_for its historical significance
its accuracy
its portability
gptkbp:is_part_of scientific heritage
historical astronomy
gptkbp:is_popular_in the Middle Ages
gptkbp:is_related_to navigation tools
timekeeping devices
geographical tools
gptkbp:is_used_by gptkb:explorers
gptkb:scientists
ancient mariners
gptkbp:is_used_in planetarium demonstrations
gptkbp:made_of gptkb:plastic
gptkb:wood
brass
gptkbp:related_to celestial sphere
spherical trigonometry
gptkbp:replaced_by sextant
gptkbp:used_by gptkb:astronomy
gptkb:navigation
gptkbp:used_for gptkb:astronomy
gptkbp:used_in gptkb:education
gptkb:navigation
gptkbp:bfsParent gptkb:Army
gptkbp:bfsLayer 4