|
gptkbp:instance_of
|
gptkb:galaxy
|
|
gptkbp:age
|
approximately 10 billion years
over 10 billion years
|
|
gptkbp:average_temperature
|
~10 million K
|
|
gptkbp:body_shape
|
gptkb:supermassive_black_hole
yes
|
|
gptkbp:composed_of
|
metal-rich
|
|
gptkbp:contains
|
gptkb:SN_1885
gptkb:M110
gptkb:M32
trillions of stars
|
|
gptkbp:contains_dark_matter
|
yes
|
|
gptkbp:contains_star
|
gptkb:true
yes
approximately 1 trillion
approximately 450
over 450
0.5 solar masses per year
approximately 1 trillion stars
trillions
about 1.5 solar masses per year
approximately 1.1 solar masses per year
|
|
gptkbp:coordinates
|
yes
RA 00h 42m 44.3s, Dec +41° 16′ 9″
0h 42m 44.3s, +41° 16′ 9″
|
|
gptkbp:country
|
yes
|
|
gptkbp:diameter
|
220000 light years
220,000 light-years
220,000 light years
|
|
gptkbp:discovered_by
|
gptkb:Abd_al-Rahman_al-Sufi
gptkb:Simon_Marius
gptkb:Abraham_Loeb
gptkb:William_Herschel
|
|
gptkbp:distance_from_earth
|
2.537 million light-years
2.537 million light years
|
|
gptkbp:emergency_services
|
yes
|
|
gptkbp:emissions_standard
|
yes
|
|
gptkbp:exhibition
|
gptkb:Messier_31
|
|
gptkbp:foot
|
yes
|
|
gptkbp:has_ahistory_of
|
yes
|
|
gptkbp:has_astrobiological_potential
|
yes
|
|
gptkbp:has_color
|
blue and red
B-V = 0.9
blue-white
(B-V) = 0.9
|
|
gptkbp:has_component
|
disk, bulge, halo
|
|
gptkbp:has_distance_from_milky_way
|
approximately 2.537 million light years
|
|
gptkbp:has_distance_to_milky_way
|
approximately 2.5 million light years
|
|
gptkbp:has_function
|
barred spiral
barred spiral structure
|
|
gptkbp:has_gravitational_influence_on
|
gptkb:Milky_Way
nearby galaxies
|
|
gptkbp:has_gravitational_interaction_with
|
gptkb:Milky_Way
|
|
gptkbp:has_historical_significance
|
first galaxy identified as separate from Milky Way
|
|
gptkbp:has_known_asteroids
|
yes
|
|
gptkbp:has_known_comets
|
yes
|
|
gptkbp:has_known_cosmic_rays
|
yes
|
|
gptkbp:has_known_exoplanets
|
yes
|
|
gptkbp:has_known_galactic_anomalies
|
yes
|
|
gptkbp:has_known_galactic_catalogs
|
yes
|
|
gptkbp:has_known_galactic_coordinates
|
yes
|
|
gptkbp:has_known_galactic_evolution
|
yes
|
|
gptkbp:has_known_galactic_history
|
yes
|
|
gptkbp:has_known_galactic_interactions
|
yes
|
|
gptkbp:has_known_galactic_maps
|
yes
|
|
gptkbp:has_known_galactic_models
|
yes
|
|
gptkbp:has_known_galactic_mysteries
|
yes
|
|
gptkbp:has_known_galactic_observations
|
yes
|
|
gptkbp:has_known_galactic_phenomena
|
yes
|
|
gptkbp:has_known_galactic_simulations
|
yes
|
|
gptkbp:has_known_galactic_structure
|
yes
|
|
gptkbp:has_known_galactic_surveys
|
yes
|
|
gptkbp:has_known_gravitational_effects
|
yes
|
|
gptkbp:has_known_magnetic_field
|
yes
|
|
gptkbp:has_known_meteor_showers
|
yes
|
|
gptkbp:has_known_orbital_dynamics
|
yes
|
|
gptkbp:has_known_radiation_levels
|
yes
|
|
gptkbp:has_known_star_systems
|
yes
|
|
gptkbp:has_luminosity
|
approximately 1.5 times that of Milky Way
|
|
gptkbp:has_mass_to_light_ratio
|
approximately 100
|
|
gptkbp:has_multiple_arms
|
yes
|
|
gptkbp:has_number_of_globular_clusters
|
approximately 450
|
|
gptkbp:has_number_of_satellite_galaxies
|
at least 14
|
|
gptkbp:has_spectral_type
|
SAbc
SAB(s)bc
|
|
gptkbp:has_supernova
|
gptkb:true
yes
|
|
gptkbp:has_tidal_interactions_with
|
gptkb:Milky_Way
|
|
gptkbp:has_title
|
gptkb:Andromeda_Galaxy
|
|
gptkbp:has_type
|
gptkb:spiral_galaxy
barred spiral galaxy
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Andromeda Galaxy
|
|
gptkbp:is_a
|
gptkb:spiral_galaxy
|
|
gptkbp:is_approaching
|
gptkb:Milky_Way
|
|
gptkbp:is_approximately
|
2.537 million light years away from Earth
|
|
gptkbp:is_associated_with
|
gptkb:dark_matter
various nebulae
various star clusters
|
|
gptkbp:is_atype_of
|
gptkb:spiral_galaxy
|
|
gptkbp:is_connected_to
|
Milky Way through gravitational forces
|
|
gptkbp:is_considered
|
the closest spiral galaxy to the Milky Way
|
|
gptkbp:is_estimated_to_collide_with
|
Milky Way in about 4.5 billion years
|
|
gptkbp:is_home_to
|
various nebulae
various star clusters
dark matter halo
globular clusters
various types of stars
many globular clusters
many nebulae
many exoplanets
many star clusters
many types of stars
various types of nebulae
many young stars
many types of nebulae
|
|
gptkbp:is_in
|
the observable universe
|
|
gptkbp:is_known_for
|
its large size
its bright appearance
its proximity to Earth
its bright core
its proximity to the Milky Way
its large number of stars
|
|
gptkbp:is_located_at
|
gptkb:Andromeda_constellation
right ascension 00h 42m 44.3s, declination +41° 16′ 9″
Declination +41° 16′ 9″
Right Ascension 0h 42m 44.3s
|
|
gptkbp:is_located_in
|
gptkb:Andromeda_constellation
gptkb:Local_Group
Milky Way neighborhood
|
|
gptkbp:is_observed_in
|
gptkb:Hubble_Space_Telescope
ancient times
visible light
ground-based telescopes
various wavelengths of light
|
|
gptkbp:is_one_of
|
nearest galaxies
|
|
gptkbp:is_one_of_the_closest_galaxies_to
|
gptkb:the_Milky_Way
|
|
gptkbp:is_part_of
|
gptkb:Laniakea_Supercluster
gptkb:Andromeda–_Milky_Way_collision
gptkb:Andromeda_constellation
gptkb:Local_Group
gptkb:Local_Group_of_galaxies
gptkb:Virgo_Supercluster
the universe
the Virgo Supercluster
the Andromeda constellation
the Local Supercluster
the Local Group of galaxies
cosmic web
intergalactic space
the Andromeda– Milky Way collision
the Local Group of galaxies.
the Andromeda constellation.
the Andromeda– Milky Way system
|
|
gptkbp:is_predicted_to_collide_with
|
Milky Way in about 4.5 billion years
|
|
gptkbp:is_spiral_galaxy
|
gptkb:true
|
|
gptkbp:is_studied_for
|
galaxy formation
galaxy formation and evolution
its dark matter content
its chemical composition
its interaction with other galaxies
its star formation history
its structure and dynamics
its dark matter halo
its gravitational interactions with other galaxies
|
|
gptkbp:is_studied_in
|
gptkb:NASA
gptkb:astronomy
astrophysics
galaxy formation and evolution
|
|
gptkbp:is_the_closest_galaxy_to
|
gptkb:Milky_Way
|
|
gptkbp:is_the_dominant_galaxy_in
|
gptkb:Local_Group
|
|
gptkbp:is_the_future_collision_partner_of
|
gptkb:Milky_Way
|
|
gptkbp:is_the_largest_member_of
|
gptkb:Local_Group
|
|
gptkbp:is_the_most_studied_galaxy
|
in the Local Group
after Milky Way
|
|
gptkbp:is_the_nearest_spiral_galaxy_to
|
gptkb:Earth
|
|
gptkbp:is_visible_from
|
gptkb:Earth
gptkb:true
yes
the northern hemisphere
certain times of the year
the night sky
autumn months
autumn nights in the Northern Hemisphere
autumn night sky
|
|
gptkbp:known_as
|
gptkb:M31
|
|
gptkbp:lighting
|
gptkb:Milky_Way
yes
magnitude 3.44
approximately 23.5 mag/arcsec²
23.5 mag/arcsec²
21.5 mag/arcsec²
|
|
gptkbp:mass
|
1.5 trillion solar masses
approximately 1.5 x 10^12 solar masses
1.5 x 10^12 solar masses
old and young stars
1.23 trillion solar masses
|
|
gptkbp:merged_with
|
gptkb:Milky_Way
|
|
gptkbp:metallicity
|
[ Fe/ H] = -0.5
|
|
gptkbp:named_after
|
gptkb:Andromeda
the mythological princess Andromeda
mythological princess Andromeda
the Andromeda princess in Greek mythology
Andromeda in mythology
|
|
gptkbp:notable_feature
|
gptkb:supermassive_black_hole
|
|
gptkbp:notable_galaxies
|
gptkb:Local_Group
SA(s)b
the Local Group of galaxies
|
|
gptkbp:orbit_type
|
gptkb:M110
gptkb:M32
gptkb:NGC_205
yes
|
|
gptkbp:orbital_period
|
approximately 4.5 billion years
approximately 2.5 billion years
|
|
gptkbp:originated_in
|
gptkb:Milky_Way
gptkb:Milky_Way_Galaxy
|
|
gptkbp:part_of
|
gptkb:Local_Group
|
|
gptkbp:photography
|
gptkb:Hubble_Space_Telescope
telescopes
|
|
gptkbp:population_density
|
varies across the galaxy
|
|
gptkbp:previous_name
|
gptkb:M31
|
|
gptkbp:redshift
|
-0.001
|
|
gptkbp:rotation_period
|
flat rotation curve
|
|
gptkbp:size
|
gptkb:Milky_Way
|
|
gptkbp:spacecraft
|
yes
|
|
gptkbp:suburb
|
gptkb:Milky_Way
gptkb:Milky_Way_Galaxy
|
|
gptkbp:type
|
gptkb:spiral_galaxy
|
|
gptkbp:universe
|
yes
|
|
gptkbp:will_collide_with
|
gptkb:Milky_Way
|
|
gptkbp:bfsParent
|
gptkb:camera
|
|
gptkbp:bfsLayer
|
3
|