Statements (156)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:galaxy
|
| gptkbp:bfsLayer |
4
|
| gptkbp:bfsParent |
gptkb:M82
gptkb:Draco |
| gptkbp:apparent_magnitude |
6.9
|
| gptkbp:best_time_to_visit |
spring months
|
| gptkbp:body_style |
gptkb:physicist
|
| gptkbp:constellation |
gptkb:M82
|
| gptkbp:contains |
gptkb:football_club
gptkb:M82 gptkb:NGC_3077 gptkb:NGC_2976 young stars old stars active star formation regions about 2 solar masses per year 2.5 solar masses per year |
| gptkbp:depicted_in |
gptkb:battle
northern hemisphere naked eye under dark skies with small telescopes Earth with binoculars |
| gptkbp:diameter |
90,000 light-years
approximately 90,000 light-years 90,000 light years |
| gptkbp:discovered_by |
gptkb:Johann_Elert_Bode
|
| gptkbp:distance |
12 million light-years
approximately 12 million light-years 12 million light years |
| gptkbp:exhibition |
gptkb:Messier_catalog
|
| gptkbp:field_of_study |
stellar populations.
galaxy interactions. galaxy morphology. |
| gptkbp:growth_rate |
approximately 2.5 solar masses per year
|
| gptkbp:has_color |
B-V = 0.9
U-B = -0.2 B-V: 0.9 |
| gptkbp:has_friend |
gptkb:M82
|
| gptkbp:has_luminosity |
at its center
SN 1993 J M81* |
| gptkbp:has_single |
globular clusters.
|
| gptkbp:has_spectral_type |
SAB(rs)bc
Sbc |
| gptkbp:has_weapon |
gptkb:battle
|
| gptkbp:historical_significance |
one of the first galaxies discovered
|
| https://www.w3.org/2000/01/rdf-schema#label |
M81
|
| gptkbp:includes |
NGC catalog
IC catalog |
| gptkbp:interacts_with |
gptkb:M82
|
| gptkbp:is_a_source_of |
cosmic rays.
|
| gptkbp:is_analyzed_in |
dark matter.
|
| gptkbp:is_approximately |
12 million light-years away from Earth.
|
| gptkbp:is_associated_with |
gptkb:the_Great_Bear_constellation
Hubble Space Telescope observations various astronomical phenomena. |
| gptkbp:is_cited_in |
galactic structure.
|
| gptkbp:is_home_to |
many globular clusters
various types of nebulae young star clusters old stellar populations |
| gptkbp:is_known_for |
gptkb:Bode's_Galaxy
its bright core its bright nucleus active star formation. its interaction with M82 its prominent spiral structure |
| gptkbp:is_observed_in |
gptkb:Hubble_Space_Telescope
various wavelengths X-ray wavelengths radio wavelengths infrared wavelengths |
| gptkbp:is_often_associated_with |
galaxy evolution.
galaxy clusters. astronomical catalogs. other galaxies. |
| gptkbp:is_often_compared_to |
the Milky Way.
|
| gptkbp:is_organized_by |
the M81 Group.
|
| gptkbp:is_part_of |
gptkb:Laniakea_Supercluster
gptkb:M82 gptkb:M81_Group gptkb:M81_group_of_galaxies gptkb:Messier_catalog gptkb:Local_Group_of_galaxies the Virgo Supercluster the Local Supercluster the Messier 81 Group Hubble Space Telescope Legacy Archive. |
| gptkbp:is_prominent_in |
a bar structure
the local universe. |
| gptkbp:is_studied_in |
gptkb:M82
gptkb:Hubble_Space_Telescope gptkb:observatory galaxy formation galaxy formation and evolution galaxy evolution its active galactic nucleus galaxy evolution. galactic dynamics. galaxy morphology. |
| gptkbp:is_surrounded_by |
gptkb:battle
|
| gptkbp:is_used_for |
galaxy formation.
|
| gptkbp:lighting |
21.5 mag/arcsec²
approximately 22.5 mag/arcsec² |
| gptkbp:located_in |
gptkb:Ursa_Major
Ursa Major constellation Declination +69° 3' 55'' Right Ascension 9h 55m 33.1s |
| gptkbp:map |
3 D space.
|
| gptkbp:mass |
1.5 x 10^11 solar masses
approximately 100 billion solar masses about 100 billion solar masses |
| gptkbp:members |
the Local Supercluster
|
| gptkbp:mission |
gptkb:M82
gptkb:NGC_3077 gptkb:NGC_2976 |
| gptkbp:notable_event |
a nearby galaxy.
|
| gptkbp:notable_feature |
star formation regions
spiral arms bar structure prominent spiral arms the night sky. bright nucleus well-defined spiral arms |
| gptkbp:notable_figures |
interstellar dust
HII regions. |
| gptkbp:notable_inductees |
future astronomical observations.
|
| gptkbp:notable_models |
gptkb:NGC_3031
gptkb:NGC_3077 gptkb:NGC_2976 SA(s)bc S Bbc |
| gptkbp:part_of |
gptkb:M81_Group
|
| gptkbp:performance |
other spiral galaxies.
|
| gptkbp:photography |
amateur astronomers
amateur astronomers. |
| gptkbp:redshift |
0.0005
0.0023 0.0033 0.0007 |
| gptkbp:relationship |
gptkb:M82
gptkb:NGC_3077 |
| gptkbp:research_focus |
galaxy interactions.
|
| gptkbp:scientific_classification |
SA(s)bc
a spiral galaxy |
| gptkbp:significant_event |
galactic dynamics.
galaxy formation. |
| gptkbp:speed |
approximately 200 km/s.
|
| gptkbp:subject |
gptkb:spacecraft
astrophysics. |
| gptkbp:targets |
galaxy formation studies
deep-sky observations. |
| gptkbp:type |
gptkb:galaxy
gptkb:SAB_spiral_galaxy |
| gptkbp:type_of |
SA(s)bc
|
| gptkbp:year_created |
1774
|