Statements (65)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:nebula
|
gptkbp:bfsLayer |
4
|
gptkbp:bfsParent |
gptkb:the_Ring_Nebula
gptkb:The_Ring_Nebula |
gptkbp:apparent_magnitude |
8.8
|
gptkbp:contains |
central star
|
gptkbp:depicted_in |
gptkb:physicist
small telescopes |
gptkbp:diameter |
about 1.44 light years
|
gptkbp:discovered_by |
gptkb:Antonie_P._de_Grijs
|
gptkbp:distance |
approximately 2,000 light years
|
gptkbp:emissions_standard |
hydrogen and oxygen
|
gptkbp:examines |
gptkb:musician
stellar dynamics |
gptkbp:has_color |
greenish hue
|
gptkbp:has_method |
ring-like structure
|
gptkbp:has_spectral_type |
O-type star
|
https://www.w3.org/2000/01/rdf-schema#label |
NGC 6720
|
gptkbp:ingredients |
ionized gas
|
gptkbp:is_analyzed_in |
chemical composition
stellar populations light curves |
gptkbp:is_associated_with |
planetary nebulae
|
gptkbp:is_described_as |
astronomical literature
|
gptkbp:is_explored_in |
space telescopes
|
gptkbp:is_featured_in |
astronomy documentaries
|
gptkbp:is_known_for |
gptkb:Ring_Nebula
its historical significance its unique features its bright central star its beauty in images |
gptkbp:is_noted_for |
its intricate details
its symmetry |
gptkbp:is_observed_in |
amateur astronomers
professional astronomers public outreach events various wavelengths astronomical events photographic techniques |
gptkbp:is_part_of |
gptkb:Hubble_Heritage_Project
gptkb:interstellar_medium gptkb:Messier_57 gptkb:Milky_Way_galaxy cosmic phenomena NGC catalog cosmic structures astronomical catalogs nebular studies |
gptkbp:is_referenced_in |
gptkb:book
gptkb:Research_Institute |
gptkbp:is_studied_in |
astrophysics
stellar evolution stellar astrophysics stellar winds its morphology its expansion rate |
gptkbp:is_used_in |
educational astronomy
|
gptkbp:located_in |
constellation Lyra
Declination +33° 01' 42'' Right Ascension 18h 53m 35.1s |
gptkbp:map |
astronomical surveys
|
gptkbp:photography |
gptkb:Hubble_Space_Telescope
|
gptkbp:scientific_classification |
type II planetary nebula
|
gptkbp:type |
gptkb:nebula
|
gptkbp:year_created |
1779
|