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physical object > natural object > celestial body > collection of stars > galaxy > spiral galaxy > Sc spiral > Whirlpool galaxy |
Whirlpool galaxy comparison table |
Subject | has purpose | is part of | is a kind of | has catalog | has classification criterion | has number of star | is an instance of | has synonym | has discovery date | has mass | has image | has definition | has distance | has discoverer | has Messier number |
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Messier object | originally to catalog all objects which could be confused with a comet | celestial sphere | celestial body | Messier catalog | an object assigned a number by Charles Messier | from Earth | |||||||||
Sc spiral | spiral galaxy | galaxy catalog | Subdivided according to the openness of the spiral arms as Sa spiral, Sb spiral or Sc spiral. | 106 to 1012 | 1010 to 1012 Msun | Spiral galaxy with arms widely spread out from the nucleus. | |||||||||
Whirlpool galaxy | originally to catalog all objects which could be confused with a comet | celestial sphere | Messier catalog | Subdivided according to the openness of the spiral arms as Sa spiral, Sb spiral or Sc spiral. | 106 to 1012 | Messier object | NGC 5194 | 1773 | 1010 to 1012 Msun | from Earth | Charles Messier | 51 |
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