|
gptkbp:instance_of
|
gptkb:Nebula_Award
|
|
gptkbp:age
|
approximately 1,000 years
|
|
gptkbp:apparent_magnitude
|
approximately 8.1
|
|
gptkbp:associated_with
|
stellar evolution
|
|
gptkbp:best_time_to_visit
|
late spring to early autumn
|
|
gptkbp:contains
|
dust
ionized gas
molecular material
|
|
gptkbp:discovered_by
|
gptkb:William_Herschel
|
|
gptkbp:distance_from_earth
|
approximately 3,300 light years
|
|
gptkbp:emissions_standard
|
gptkb:hydrogen
nitrogen
oxygen
|
|
gptkbp:exhibition
|
gptkb:NGC_6543
|
|
gptkbp:features
|
complex structure
multiple rings
bright central star
|
|
gptkbp:has_radius
|
about 0.5 light years
|
|
gptkbp:has_spectral_type
|
gptkb:Wolf
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Cat's Eye Nebula
|
|
gptkbp:is_considered
|
one of the most complex nebulae
|
|
gptkbp:is_featured_in
|
astronomy publications
|
|
gptkbp:is_known_for
|
its unique shape
|
|
gptkbp:is_notable_for
|
its high surface brightness
its color variations
its detailed structure
|
|
gptkbp:is_observed_in
|
gptkb:Hubble_Space_Telescope
|
|
gptkbp:is_often_compared_to
|
gptkb:the_Helix_Nebula
gptkb:the_Ring_Nebula
the Dumbbell Nebula
|
|
gptkbp:is_part_of
|
gptkb:the_New_General_Catalogue
gptkb:Milky_Way_galaxy
the Messier catalog
the Caldwell catalog
|
|
gptkbp:is_similar_to
|
other planetary nebulae
|
|
gptkbp:is_studied_for
|
chemical composition
stellar wind dynamics
expansion rate
|
|
gptkbp:is_studied_in
|
gptkb:astronomy
|
|
gptkbp:is_used_in
|
gptkb:scientific_research
astrophotography
educational astronomy
|
|
gptkbp:is_visible_from
|
gptkb:Earth
northern hemisphere
|
|
gptkbp:located_in
|
constellation Draco
|
|
gptkbp:notable_for
|
its intricate patterns
its bright colors
its symmetry
|
|
gptkbp:photography
|
amateur astronomers
|
|
gptkbp:research
|
requires telescope for viewing
|
|
gptkbp:type
|
gptkb:Nebula_Award
|
|
gptkbp:bfsParent
|
gptkb:NGC_6543
gptkb:Planetary_Nebula
|
|
gptkbp:bfsLayer
|
5
|