Properties (31)
Predicate | Object |
---|---|
gptkbp:instanceOf |
spiral galaxy
|
gptkbp:colors |
0.0024
|
gptkbp:contains |
active star formation regions
|
gptkbp:diameter |
about 100,000 light-years
|
gptkbp:established |
gptkb:Pierre_Méchain
|
gptkbp:exhibits |
Messier catalog
|
gptkbp:features |
prominent spiral arms
|
gptkbp:has |
gptkb:supernova_SN_2002ap
barred structure high surface brightness a bright nucleus multiple globular clusters a low surface brightness outer region |
gptkbp:hasRecognition |
approximately 30.5
|
https://www.w3.org/2000/01/rdf-schema#label |
Messier 74
|
gptkbp:is |
a target for amateur astronomers
a popular target for deep-sky imaging a subject of various astrophysical studies often studied in relation to galaxy formation one of the best examples of a spiral galaxy a_member_of_the_M74_group_of_galaxies often_referred_to_as_the_'Phantom_Galaxy' |
gptkbp:isAccessibleBy |
gptkb:Earth
|
gptkbp:isPartOf |
gptkb:Local_Group
|
gptkbp:length |
approximately 30 million light-years
|
gptkbp:locatedIn |
constellation_Pisces
|
gptkbp:previouslyKnownAs |
NGC 628
|
gptkbp:releaseYear |
1780
|
gptkbp:type |
Sc spiral galaxy
|
gptkbp:visitedBy |
gptkb:Hubble_Space_Telescope
|
gptkbp:weight |
approximately 100 billion solar masses
|