|
gptkbp:instance_of
|
gptkb:galaxy
|
|
gptkbp:body_shape
|
yes
|
|
gptkbp:conducts_research_on
|
gptkb:cosmology
|
|
gptkbp:contains_star
|
gptkb:NGC_221
gptkb:NGC_205
yes
approximately 1 trillion
1.5 solar masses per year
|
|
gptkbp:coordinates
|
yes
00h 42m 44.3s, +41° 16′ 9″
|
|
gptkbp:diameter
|
220,000 light years
|
|
gptkbp:discovered_by
|
gptkb:William_Herschel
|
|
gptkbp:discovery_year
|
1782
1786
|
|
gptkbp:distance_from_earth
|
2.537 million light years
|
|
gptkbp:element
|
gptkb:cosmology
galaxy formation studies
|
|
gptkbp:has_color
|
0.9
B-V = 0.9
blue-white
|
|
gptkbp:has_features
|
late-type galaxy
|
|
gptkbp:has_gravitational_influence_on
|
gptkb:Milky_Way
|
|
gptkbp:has_historical_significance
|
yes
first galaxy identified as a spiral
|
|
gptkbp:has_notable_star_clusters
|
gptkb:G1
gptkb:G2
|
|
gptkbp:has_significant_star_formation_regions
|
yes
|
|
gptkbp:has_spectral_type
|
Sbc
|
|
gptkbp:has_supernova
|
yes
|
|
gptkbp:has_tidal_interactions_with
|
gptkb:Triangulum_Galaxy
|
|
gptkbp:has_type
|
gptkb:spiral_galaxy
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
NGC 224
|
|
gptkbp:is_a_reference_for
|
galactic studies
|
|
gptkbp:is_acommon_target_for
|
amateur astronomers
|
|
gptkbp:is_akey_target_for
|
Hubble Space Telescope observations
|
|
gptkbp:is_associated_with
|
M32 and M110
M31 group
|
|
gptkbp:is_atype_of
|
gptkb:spiral_galaxy
|
|
gptkbp:is_home_to
|
gptkb:supernova_remnants
various nebulae
star clusters
many globular clusters
young star populations
|
|
gptkbp:is_inhabited_by
|
various types of stars
|
|
gptkbp:is_located_in
|
gptkb:Andromeda_constellation
|
|
gptkbp:is_observed_in
|
gptkb:Hubble_Space_Telescope
|
|
gptkbp:is_part_of
|
gptkb:Andromeda_constellation
gptkb:Local_Group
gptkb:Andromeda_constellation_group
M31 group
|
|
gptkbp:is_part_of_larger_structure
|
gptkb:Laniakea_Supercluster
|
|
gptkbp:is_studied_for
|
dark matter research
|
|
gptkbp:is_studied_in
|
gptkb:astronomy
|
|
gptkbp:is_the_brightest_galaxy_in
|
gptkb:Andromeda_constellation
|
|
gptkbp:is_the_most_massive_galaxy_in
|
gptkb:Local_Group
|
|
gptkbp:is_the_nearest_galaxy_to
|
gptkb:Milky_Way
|
|
gptkbp:is_used_in
|
stellar evolution studies
stellar population studies
|
|
gptkbp:is_visible_from
|
yes
northern hemisphere
|
|
gptkbp:known_as
|
gptkb:Andromeda_Galaxy
|
|
gptkbp:lighting
|
22.0 mag/arcsec²
|
|
gptkbp:mass
|
yes
1.5 trillion solar masses
|
|
gptkbp:members
|
Andromeda subgroup
|
|
gptkbp:notable_feature
|
dust lanes
|
|
gptkbp:notable_galaxies
|
gptkb:Local_Group
SA(s)b
SA(s)cd
barred spiral structure
|
|
gptkbp:orbit_type
|
gptkb:M110
gptkb:M32
yes
|
|
gptkbp:orbital_altitude
|
approximately 110 km/s
|
|
gptkbp:orbital_period
|
2.5 billion years
|
|
gptkbp:population_density
|
high
|
|
gptkbp:redshift
|
-0.001
|
|
gptkbp:targets
|
many astrophysical studies
|
|
gptkbp:title
|
gptkb:Milky_Way's_Twin
|
|
gptkbp:type_of
|
gptkb:spiral_galaxy
|
|
gptkbp:universe
|
yes
|
|
gptkbp:was_akey_figure_in
|
galaxy mergers
interacting galaxies
galaxy evolution
|
|
gptkbp:bfsParent
|
gptkb:M31
gptkb:Andromeda_constellation
gptkb:Andromeda
gptkb:Messier_31
|
|
gptkbp:bfsLayer
|
5
|