gptkbp:instance_of
|
gptkb:nebula
|
gptkbp:bfsLayer
|
4
|
gptkbp:bfsParent
|
gptkb:Gemini
|
gptkbp:age
|
approximately 10,000 years
|
gptkbp:apparent_magnitude
|
12.7
9.0
|
gptkbp:composed_of
|
hydrogen and helium
|
gptkbp:contains
|
central star
|
gptkbp:depicted_in
|
gptkb:physicist
small telescopes
|
gptkbp:diameter
|
0.5 arcminutes
|
gptkbp:discovered_by
|
gptkb:William_Herschel
|
gptkbp:distance
|
approximately 4,000 light years
approximately 4,200 light years
|
gptkbp:emissions_standard
|
H-alpha and [ OIII]
|
gptkbp:examines
|
stellar remnants
expansion velocity
|
gptkbp:exhibition
|
gptkb:Messier_catalog
|
gptkbp:has_color
|
blue and green hues
|
gptkbp:has_feature
|
round shape
|
gptkbp:has_method
|
bipolar outflow
|
gptkbp:has_spectral_type
|
gptkb:mythological_figure
|
https://www.w3.org/2000/01/rdf-schema#label
|
NGC 2392
|
gptkbp:includes
|
astronomical surveys
|
gptkbp:is_analyzed_in
|
chemical abundances
photometric techniques
|
gptkbp:is_associated_with
|
stellar evolution
|
gptkbp:is_considered_as
|
a prototype of planetary nebulae
|
gptkbp:is_described_as
|
astronomical literature
|
gptkbp:is_explored_in
|
space telescopes
|
gptkbp:is_known_for
|
gptkb:Eskimo_Nebula
its unique appearance
|
gptkbp:is_noted_for
|
complex structure
its bright central star
|
gptkbp:is_observed_in
|
gptkb:musician
gptkb:Hubble_Space_Telescope
visible light
infrared wavelengths
|
gptkbp:is_part_of
|
gptkb:interstellar_medium
gptkb:Milky_Way_galaxy
cosmic phenomena
stellar nursery
NGC catalog
Herschel's catalog
nebulae class
|
gptkbp:is_studied_in
|
astrophysics
stellar winds
its light curves
|
gptkbp:lighting
|
high surface brightness
|
gptkbp:located_in
|
constellation Gemini
Declination +20° 54' 00"
Right Ascension 07h 29m 12s
|
gptkbp:map
|
galactic coordinates
|
gptkbp:photography
|
gptkb:observatory
|
gptkbp:redshift
|
0.0001
|
gptkbp:size
|
approximately 1.2 arcminutes
|
gptkbp:targets
|
amateur astronomers
|
gptkbp:type
|
gptkb:nebula
|
gptkbp:year_created
|
1787
|