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| physical object > naked eye object > Milky Way |
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| Milky Way comparison table | |||||||||
| Subject | is part of | is a kind of | has catalog | has classification criterion | has number of star | is an instance of | has mass | has definition | has distance |
|---|---|---|---|---|---|---|---|---|---|
| galaxy containing Cepheids | galaxy | galaxy catalog | 106 to 1012 | determined from Cepheid period-luminosity relation | |||||
| hypergalaxy | collection of galaxies | catalog about star systems | A system consisting of a dominant spiral galaxy surrounded by a cloud of dwarf satellite galaxies, often ellipticals. | ||||||
| naked eye object | physical object | a physical object visible to the unnaided human eye | |||||||
| spiral galaxy | 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 | A galaxy with a prominent nuclear bulge and luminous spiral arms of gas, dust, and young stars that wind out from the nucleus. | |||
| Milky Way | Local Group | galaxy catalog | Subdivided according to the openness of the spiral arms as Sa spiral, Sb spiral or Sc spiral. | 106 to 1012 | hypergalaxy | 1010 to 1012 Msun | A softly glowing band of light that bisects the skies of Earth, produced by light from stars and nebulae in the galactic disk. | determined from Cepheid period-luminosity relation |
Next galaxy containing Cepheids: NGC 1326A Up: galaxy containing Cepheids, hypergalaxy, naked eye object, spiral galaxy Previous galaxy containing Cepheids: Andromeda galaxy