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gptkbp:instance_of
|
gptkb:spiral_galaxy
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gptkbp:body_shape
|
gptkb:active_galactic_nucleus
|
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gptkbp:contains_star
|
gptkb:NGC_5195
approximately 5 solar masses per year
|
|
gptkbp:diameter
|
approximately 76,000 light-years
|
|
gptkbp:discovered_by
|
gptkb:William_Parsons
|
|
gptkbp:discovery_year
|
1845
|
|
gptkbp:distance_from_earth
|
approximately 23 million light-years
|
|
gptkbp:foot
|
two prominent arms
|
|
gptkbp:has_active_region
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gptkb:fusion
|
|
gptkbp:has_color
|
B-V = 0.65
|
|
gptkbp:has_spectral_type
|
Sbc
|
|
gptkbp:has_supernova
|
gptkb:SN_1970_G
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
galaxy M51
|
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gptkbp:included
|
gptkb:Messier_catalog
|
|
gptkbp:is_associated_with
|
gptkb:supernova_remnants
starburst activity
high-energy phenomena
|
|
gptkbp:is_featured_in
|
various documentaries
|
|
gptkbp:is_home_to
|
various nebulae
many globular clusters
many young stars
|
|
gptkbp:is_known_for
|
its bright core
its interaction with NGC 5195
its beautiful spiral structure
its prominent features in images.
|
|
gptkbp:is_observed_in
|
X-ray wavelengths
radio wavelengths
infrared wavelengths
ground-based telescopes
|
|
gptkbp:is_part_of
|
gptkb:Hubble_Heritage_Project
gptkb:M51_Group
gptkb:Local_Supercluster
galaxy evolution research
cosmic web
galaxy classification studies
galaxy merger studies
M51a and M51b
NGC 5195 interaction
|
|
gptkbp:is_referenced_in
|
gptkb:popular_culture
|
|
gptkbp:is_studied_for
|
galactic dynamics
galaxy formation and evolution
stellar populations
dark matter distribution
|
|
gptkbp:is_studied_in
|
gptkb:astronomy
|
|
gptkbp:is_visible_from
|
gptkb:Seimas
northern hemisphere
with amateur telescopes
amateur astrophotography
|
|
gptkbp:known_as
|
gptkb:Whirlpool_Galaxy
|
|
gptkbp:lighting
|
approximately 22.5 mag/arcsec²
|
|
gptkbp:located_in
|
constellation Canes Venatici
|
|
gptkbp:mass
|
approximately 160 billion solar masses
|
|
gptkbp:notable_feature
|
prominent dust lanes
|
|
gptkbp:notable_galaxies
|
SA(s)bc
|
|
gptkbp:photography
|
gptkb:Hubble_Space_Telescope
|
|
gptkbp:redshift
|
0.0014
|
|
gptkbp:targets
|
gptkb:space_mission
many astrophysical studies
|
|
gptkbp:type
|
interacting galaxy
|
|
gptkbp:bfsParent
|
gptkb:SN_2011dh
|
|
gptkbp:bfsLayer
|
6
|