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List of the largest known stars in the Milky Way Star name Solar radius (R ☉) Method [a] Notes Orbit of Saturn: 2,047 – 2,049.9 [8] [b] Reported for reference: Theoretical limit of star size (Milky Way) ≳1,700 [9] L/T eff: Estimated by measuring the fraction of red supergiants at higher luminosities in a large sample of supernova ...
The Andromeda Galaxy is a barred spiral galaxy and is the nearest major galaxy to the Milky Way. It was originally named the Andromeda Nebula and is cataloged as Messier 31 , M31 , and NGC 224 . Andromeda has a D 25 isophotal diameter of about 46.56 kiloparsecs (152,000 light-years ) [ 8 ] and is approximately 765 kpc (2.5 million light-years ...
Andromeda: Largest galaxy in the group [12] Diameter (D 25 isophote): 152,000 light-years Mass: (1.5 ± 0.5) × 10 12 M ☉ Number of stars: ca. 10 12. Milky Way Galaxy: SBbc Sagittarius (centre) Second largest galaxy in the group, which may or may not be the most massive galaxy of the group. [13] Diameter (D 25 isophote): 87,400 light-years
Stars within the Milky Way are also visible, and are typically larger than stars within the Andromeda Galaxy. [ 12 ] [ 13 ] The final composite was stitched together using 411 exposures taken from July 2010 to October 2013, [ 14 ] and the image was first displayed at the 225th meeting of the American Astronomical Society in Seattle , Washington.
Examination of this halo, which supplies material for the formation of stars, can reveal information about the birth and deaths of stars within the Andromeda Galaxy. Hubble reveals Andromeda has ...
The Milky Way's disk is 180,000 light years in diameter, putting it far beyond the Milky Way stellar disk, or only 3 times closer than the Andromeda galaxy. In comparison, in distance to the Milky Way's satellite galaxy, the Large Magellanic Cloud, is only 160,000 light-years from Earth. [3] [4] ULAS J0015+01 and ULAS J0744+25 are not ...
The Milky Way galaxy consists of several hundred billion stars, including our sun. If the skies are clear, it’s possible to see those stars in the southern sky right after sunset. You also need ...
NGC 206 is the richest and most conspicuous star cloud in the Andromeda Galaxy, and is one of the largest and brightest star-forming regions in the Local Group. [2] It contains more than 300 stars brighter than M b =−3.6. [3] It was originally identified by Edwin Hubble as a star cluster but today, due to its size, it is classified as an OB ...