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The following is a list of particularly notable actual or hypothetical stars that have their own articles in Wikipedia, but are not included in the lists above. BPM 37093 — a diamond star Cygnus X-1 — X-ray source
Size (left) and distance (right) of a few well-known galaxies put to scale. The following is a list of notable galaxies.. There are about 51 galaxies in the Local Group (see list of nearest galaxies for a complete list), on the order of 100,000 in the Local Supercluster, and an estimated 100 billion in all of the observable universe.
List of star systems within 95–100 light-years. List of luminous blue variable stars. List of O-type stars. List of star systems within 100–150 light-years. List of Wolf-Rayet stars. List of star systems within 150–200 light-years. List of star systems within 200–250 light-years.
Lists of astronomical objects. Selection of astronomical bodies and objects: Moon Mimas and Ida, an asteroid with its own moon, Dactyl. Comet Lovejoy and Jupiter, a giant gas planet. The Sun; Sirius A with Sirius B, a white dwarf; the Crab Nebula, a remnant supernova. A black hole (artist concept); Vela Pulsar, a rotating neutron star.
The following well-known stars are listed for the purpose of comparison. Antares (α Scorpii A) 680 [71] AD Fourteenth brightest star in the night sky. [72] Widely recognised as being among the largest known stars. [26] Betelgeuse (α Orionis) 640, [73] 764 +116 −62, [74] 782 ± 55 [75] AD & SEIS Tenth brightest star in the night sky. [72]
Aldebaran (α Tau, α Tauri, Alpha Tauri) is a red giant star located about 65 light years away in the zodiac constellation of Taurus. With an average apparent magnitude of 0.87 it is the brightest star in the constellation and is one of the brightest stars in the nighttime sky. The name Aldebaran is Arabic (الدبران al-dabarān) and ...
In 2016, the International Astronomical Union (IAU) organized a Working Group on Star Names (WGSN) [2] to catalog and standardize proper names for stars. The WGSN's first bulletin, dated July 2016, [3] included a table of 125 stars comprising the first two batches of names approved by the WGSN (on 30 June and 20 July 2016) together with names of stars adopted by the IAU Executive Committee ...
Astronomers have assembled star catalogues that identify the known stars and provide standardized stellar designations. The observable universe contains an estimated 10 22 to 10 24 stars. Only about 4,000 of these stars are visible to the naked eye—all within the Milky Way galaxy .