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  2. Andromeda Galaxy - Wikipedia

    en.wikipedia.org/wiki/Andromeda_Galaxy

    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 ...

  3. List of nearest galaxies - Wikipedia

    en.wikipedia.org/wiki/List_of_nearest_galaxies

    Galaxy Type Distance from Earth Magnitude Group Membership ... Satellite of Andromeda; possibly closest Seyfert galaxy to Earth 62 Andromeda II: dE0 2.22 0.68 [51] [NB 2]

  4. List of the most distant astronomical objects - Wikipedia

    en.wikipedia.org/wiki/List_of_the_most_distant...

    The proper distance provides a measurement of how far a galaxy is at ... a star in the Andromeda Galaxy. ... of the Moon from the Earth. The distance to the Moon was ...

  5. Parsec - Wikipedia

    en.wikipedia.org/wiki/Parsec

    The Andromeda Galaxy is about 0.78 Mpc (2.5 million ly) from the Earth. The nearest large galaxy cluster, the Virgo Cluster, is about 16.5 Mpc (54 million ly) from the Earth. [24] The galaxy RXJ1242-11, observed to have a supermassive black hole core similar to the Milky Way's, is about 200 Mpc (650 million ly) from the Earth.

  6. Andromeda (constellation) - Wikipedia

    en.wikipedia.org/wiki/Andromeda_(constellation)

    The most famous deep-sky object in Andromeda is the spiral galaxy cataloged as Messier 31 (M31) or NGC 224 but known colloquially as the Andromeda Galaxy for the constellation. [53] M31 is one of the most distant objects visible to the naked eye, 2.2 million light-years from Earth (estimates range up to 2.5 million light-years). [ 54 ]

  7. List of Wolf-Rayet stars - Wikipedia

    en.wikipedia.org/wiki/List_of_Wolf-Rayet_stars

    1.3 Andromeda Galaxy and Triangulum Galaxy. 1.4 Other Galaxies. 2 See also. ... This is a list of Wolf-Rayet stars, in order of their distance from Earth. [1] [2] [3 ...

  8. Observable universe - Wikipedia

    en.wikipedia.org/wiki/Observable_universe

    The comoving distance from Earth to the edge of the observable universe is about 14.26 giga ... Alpha Centauri, Perseus Arm, Milky Way galaxy, Andromeda Galaxy, ...

  9. Galactic Center - Wikipedia

    en.wikipedia.org/wiki/Galactic_Center

    The Galactic Center is the barycenter of the Milky Way and a corresponding point on the rotational axis of the galaxy. [ 1 ] [ 2 ] Its central massive object is a supermassive black hole of about 4 million solar masses , which is called Sagittarius A* , [ 3 ] [ 4 ] [ 5 ] a compact radio source which is almost exactly at the galactic rotational ...