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Andromeda has a D 25 isophotal diameter of about 46.56 kiloparsecs (152,000 light-years) and is approximately 765 kpc (2.5 million light-years) from Earth. The galaxy's name stems from the area of Earth's sky in which it appears, the constellation of Andromeda , which itself is named after the princess who was the wife of Perseus in Greek ...
For example, the nearest star to the Earth after the Sun is Proxima Centauri, about 4.2 light-years (4.0 × 10 13 km; 2.5 × 10 13 mi) or 30 million (3 × 10 7) solar diameters away. To visualize that scale, if the Sun were a ping-pong ball , Proxima Centauri would be a pea about 1,100 km (680 mi) away, and the Milky Way would be about 30 ...
List of nearest galaxies. This is a list of known galaxies within 3.8 megaparsecs (12.4 million light-years) of the Solar System, in ascending order of heliocentric distance, or the distance to the Sun. This encompasses about 50 major Local Group galaxies, and some that are members of neighboring galaxy groups, the M81 Group and the Centaurus A ...
Year of record Modern light travel distance Object Type Detected using First record by (1) 964: 2.5: Andromeda Galaxy: Spiral galaxy: naked eye: Abd al-Rahman al-Sufi: 1654: 3: Triangulum Galaxy: Spiral galaxy: refracting telescope: Giovanni Battista Hodierna: 1779: 68: Messier 58: Barred spiral galaxy: refracting telescope: Charles Messier ...
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. 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]
GN-z11 is a high-redshift galaxy found in the constellation Ursa Major. It is among the farthest known galaxies from Earth ever discovered. [5] [6] The 2015 discovery was published in a 2016 paper headed by Pascal Oesch and Gabriel Brammer (Cosmic Dawn Center). Up until the discovery of JADES-GS-z13-0 in 2022 by the James Webb Space Telescope ...
The Andromeda Galaxy (M31) has satellite galaxies just like the Milky Way. Orbiting M31 are at least 13 dwarf galaxies: the brightest and largest is M110, which can be seen with a basic telescope. The second-brightest and closest one to M31 is M32. The other galaxies are fainter, and were mostly discovered starting from the 1970s.
The Andromeda Galaxy is approximately 2.5 million light years away from our galaxy, the Milky Way galaxy, and they are moving towards each other at approximately 300 kilometers (186 miles) per second.