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List of the largest known stars in Andromeda and Triangulum galaxies Star name Solar radii (Sun = 1) Galaxy Method [a] Notes Theoretical limit of star size (Andromeda Galaxy) ≳1,750 [9] L/T eff: Estimated by measuring the fraction of red supergiants at higher luminosities in a large sample of stars. Assumes an effective temperature of 3,625 K ...
Segue 2 is a dwarf spheroidal galaxy situated in the constellation Aries and discovered in 2009 in the data obtained by Sloan Digital Sky Survey.The galaxy is located at the distance of about 35 kiloparsecs (35,000 parsecs; 110,000 light-years) from the Sun and moves towards the Sun at a speed of 40 kilometres per second (25 mi/s).
Smallest known galaxy Ursa Major III: Ursa Major: 3 parsecs (9.8 light-years) Half-light radius: A Milky Way satellite dwarf galaxy. [citation needed] Largest known galaxy ESO 383-76: Centaurus: 540.89 kiloparsecs (1,764,000 light-years) 90% total B-light: Central galaxy of Abell 3571 [citation needed] Largest spiral galaxy NGC 6872: Pavo
This is a list of largest galaxies known, sorted by order of increasing major axis diameters. The unit of measurement used is the light-year (approximately 9.46 × 10 12 kilometers). Overview
From the biggest asteroid to the biggest black hole, check out some of the objects almost too big to imagine.
The galaxy has a very large halo of much lower intensity "diffuse light" extending to a radius of 600 kpc (2 million ly). [30] [verification needed] The authors of the study identifying the halo conclude that IC 1101 is "possibly one of the largest and most luminous galaxies in the universe". This view has been stated in several other papers as ...
The James Webb Space Telescope has captured new detailed portraits of 19 spiral galaxies filled with millions of stars and glowing gas and dust. ‘Mind-blowing’ new images reveal 19 galaxies ...
The word galaxy is derived from the Greek galaxias (γαλαξίας), literally "milky", a reference to the Milky Way. Galaxies range in size from dwarfs with just a few billion (109) stars to giants with one hundred trillion (1014) stars, each orbiting its galaxy's center of mass.