Properties (61)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
galaxy
|
| gptkbp:category |
Messier_object
|
| gptkbp:contains |
young stars
|
| gptkbp:diameter |
approximately 90,000 light-years
|
| gptkbp:established |
gptkb:Johann_Elert_Bode
|
| gptkbp:features |
a supermassive black hole
|
| gptkbp:has |
H II regions
star formation regions active galactic nucleus multiple satellite galaxies dust lanes old stellar populations |
| gptkbp:hasStudentOrganizations |
barred spiral structure
|
| https://www.w3.org/2000/01/rdf-schema#label |
Messier 81
|
| gptkbp:isAccessibleBy |
gptkb:Earth
|
| gptkbp:isAssociatedWith |
galactic interactions
starburst activity |
| gptkbp:isExaminedBy |
stellar evolution
galactic evolution stellar population studies |
| gptkbp:isExploredIn |
galactic dynamics
black hole physics extragalactic astronomy |
| gptkbp:isKnownFor |
its bright nucleus
its spiral arms its prominent features |
| gptkbp:isLocatedNear |
gptkb:Messier_82
|
| gptkbp:isNotedFor |
its large size
its high surface brightness its bright star clusters |
| gptkbp:isPartOf |
gptkb:Hubble_Space_Telescope_Legacy_Archive
gptkb:Local_Group Messier catalog galaxy clusters the Virgo Supercluster the Local Supercluster M81 constellation the_M81_Group_of_galaxies |
| gptkbp:isRelatedTo |
dark matter research
cosmic microwave background studies |
| gptkbp:isServedBy |
optical wavelengths
X-ray wavelengths radio wavelengths ground-based telescopes infrared_wavelengths |
| gptkbp:isSimilarTo |
gptkb:Messier_82
|
| gptkbp:isStudiedIn |
astronomy
galaxy formation interstellar medium galactic structure galaxy morphology |
| gptkbp:isUsedIn |
cosmological studies
|
| gptkbp:isUtilizedIn |
northern hemisphere
amateur telescopes |
| gptkbp:length |
approximately 12 million light-years
|
| gptkbp:locatedIn |
Ursa Major
|
| gptkbp:partOf |
gptkb:M81_Group
|
| gptkbp:releaseYear |
1774
|
| gptkbp:type |
spiral galaxy
|
| gptkbp:unitAwards |
6.9
|
| gptkbp:visitedBy |
gptkb:Hubble_Space_Telescope
|