Properties (55)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
spiral galaxy
|
| gptkbp:contains |
HII_regions
|
| gptkbp:diameter |
170,000 light years
|
| gptkbp:established |
gptkb:Pierre_Méchain
|
| gptkbp:features |
multiple spiral arms
|
| gptkbp:has |
barred structure
supernova remnants active star formation dark matter halo multiple satellite galaxies a complex structure a prominent central region a rich field of background galaxies distinctive spiral structure numerous bright stars |
| gptkbp:hasRecognition |
9.0
|
| gptkbp:hasVariants |
54° 20′ 00″
|
| https://www.w3.org/2000/01/rdf-schema#label |
M101 (Pinwheel Galaxy)
|
| gptkbp:is |
visible with binoculars
often studied in astrophysics a subject of many photographs a galaxy that contributes to our understanding of galaxy evolution a galaxy that is often included in astronomy textbooks a galaxy that has been featured in many documentaries a benchmark for galaxy studies a galaxy that has a well-defined core a galaxy that has been extensively mapped a galaxy that is part of the larger cosmic web a galaxy with a high star formation rate a galaxy with a significant amount of gas and dust a member of the Ursa Major constellation a popular target for amateur astronomers a prominent feature in the night sky a site of galactic interactions a subject of cosmological research a target for deep-sky observations a target for professional telescopes a galaxy that has been observed in multiple wavelengths often compared to the Milky Way one of the largest galaxies in its group a galaxy that has been studied for its dark matter content a galaxy that has been used as a reference for distance measurements. a galaxy that shows signs of gravitational interactions a galaxy that has been photographed by many astrophotographers a galaxy that exhibits a variety of stellar populations |
| gptkbp:isAccessibleBy |
gptkb:Northern_Hemisphere
|
| gptkbp:isPartOf |
gptkb:Local_Group
|
| gptkbp:legalStatus |
14h 03m 12s
|
| gptkbp:length |
21 million light years
|
| gptkbp:locatedIn |
Ursa Major
|
| gptkbp:partOf |
gptkb:M101_Group
|
| gptkbp:releaseYear |
1781
|
| gptkbp:scope |
5457
|
| gptkbp:type |
grand design spiral galaxy
|
| gptkbp:visitedBy |
gptkb:Hubble_Space_Telescope
|