|
gptkbp:instance_of
|
gptkb:Nebula_Award
|
|
gptkbp:apparent_magnitude
|
6.0
|
|
gptkbp:contains
|
young stars
|
|
gptkbp:diameter
|
approximately 15 light years
|
|
gptkbp:discovered_by
|
gptkb:Jean-Philippe_Loys_de_Chéseaux
|
|
gptkbp:discovery_year
|
1745
|
|
gptkbp:distance_from_earth
|
approximately 5,000 light years
|
|
gptkbp:emissions_standard
|
hydrogen lines
|
|
gptkbp:exhibition
|
gptkb:Messier_catalog
|
|
gptkbp:features
|
star formation
|
|
gptkbp:has_spectral_type
|
O-type stars
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Messier 17
|
|
gptkbp:included
|
NGC catalog
|
|
gptkbp:is_associated_with
|
molecular clouds
star clusters
stellar nurseries
open cluster NGC 6618
|
|
gptkbp:is_known_for
|
its large size
its bright emission spectrum
|
|
gptkbp:is_located_at
|
declination -16° 11′ 00″
right ascension 18h 20m 24s
|
|
gptkbp:is_located_in
|
gptkb:Sagittarius_constellation
|
|
gptkbp:is_located_near
|
gptkb:Scutum_constellation
|
|
gptkbp:is_noted_for
|
its complex structure
its bright central region
its rich star field
its shape resembling a swan
|
|
gptkbp:is_observed_in
|
gptkb:Hubble_Space_Telescope
radio wavelengths
infrared wavelengths
|
|
gptkbp:is_part_of
|
gptkb:interstellar_medium
gptkb:star
gptkb:Milky_Way_galaxy
Galactic Plane
H II region complex
Galactic Center region
|
|
gptkbp:is_studied_for
|
stellar evolution
its chemical composition
its dynamics
|
|
gptkbp:is_studied_in
|
astrophysics
professional astronomers
stellar astrophysics
|
|
gptkbp:is_visible_from
|
gptkb:Earth
naked eye
summer months
northern hemisphere
southern hemisphere
small telescopes
|
|
gptkbp:known_as
|
gptkb:Omega_Nebula
|
|
gptkbp:lighting
|
high surface brightness
|
|
gptkbp:photography
|
amateur astronomers
visible light
|
|
gptkbp:region
|
gptkb:region
|
|
gptkbp:scientific_classification
|
gptkb:star
|
|
gptkbp:type
|
gptkb:Nebula_Award
|
|
gptkbp:bfsParent
|
gptkb:Messier_16
|
|
gptkbp:bfsLayer
|
5
|