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2. Omega Centauri - Wikipedia

   en.wikipedia.org/wiki/Omega_Centauri

   Omega Centauri (ω Cen, NGC 5139, or Caldwell 80) is a globular cluster in the constellation of Centaurus that was first identified as a non-stellar object by Edmond Halley in 1677. Located at a distance of 17,090 light-years (5,240 parsecs ), it is the largest known globular cluster in the Milky Way at a diameter of roughly 150 light-years. [ 10 ]

3. Omega1 Tauri - Wikipedia

   en.wikipedia.org/wiki/Omega1_Tauri

   Omega 1 Tauri is a solitary, [7] orange hued star in the zodiac constellation of Taurus. It is faintly visible to the naked eye with an apparent visual magnitude of +5.51. [ 2 ] Based upon an annual parallax shift of 11.22 mas as seen from Earth, [ 1 ] it is located about 290 light years from the Sun .

4. Cosmic distance ladder - Wikipedia

   en.wikipedia.org/wiki/Cosmic_distance_ladder

   The distance estimate comes from computing how far the object must be to make its observed absolute velocity appear with the observed angular motion. Expansion parallaxes in particular can give fundamental distance estimates for objects that are very far, because supernova ejecta have large expansion velocities and large sizes (compared to stars).

5. Omega Piscium - Wikipedia

   en.wikipedia.org/wiki/Omega_Piscium

   Omega Piscium (Omega Psc, ω Piscium, ω Psc) is a star approximately 106 light years away from Earth, in the constellation Pisces. It has a spectral type of F4IV, meaning it is a subgiant/dwarf star, and it has a temperature of 6,600 kelvins. It may or may not be a close binary star system. Variations in its spectrum were once interpreted as ...

6. Omega Sagittarii - Wikipedia

   en.wikipedia.org/wiki/Omega_Sagittarii

   Omega Sagittarii, which is Latinized from ω Sagittarii, is a binary star system in the constellation of Sagittarius, [9] near the eastern constellation border with Capricornus. It is formally named Terebellum / t ɛr ɪ ˈ b ɛ l əm /. [10] [11] This system has a yellow hue and is faintly visible to the naked eye with an apparent visual ...

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