Andromeda Galaxy - Wikipedia
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 Galaxy: Facts about our closest galactic neighbor
2023年10月26日 · The Andromeda Galaxy, also called Messier 31 or M31, is the nearest major galaxy to the Milky Way.
The Andromeda galaxy: All you need to know - EarthSky
2024年9月5日 · Astronomers sometimes call the Andromeda galaxy by the name Messier 31, or M31. It was the 31st on a famous list of fuzzy sky objects compiled by the French astronomer Charles Messier...
Messier 31 (The Andromeda Galaxy) - NASA Science
M31 is located in the constellation Andromeda and is best observed in November. Boasting an apparent magnitude of 3.1, the galaxy can be seen with the naked eye, even in areas with moderate light pollution.
Andromeda Galaxy Facts
The Andromeda Galaxy (M31) is the closest large galaxy to the Milky Way and is one of a few galaxies that can be seen unaided from the Earth. In approximately 4.5 billion years the Andromeda Galaxy and the Milky Way are expected to collide and the result will be a giant elliptical galaxy.
Andromeda Galaxy | Description, Location, Distance, & Facts
2024年9月12日 · Andromeda Galaxy, (catalog numbers NGC 224 and M31), great spiral galaxy in the constellation Andromeda, the nearest large galaxy. The Andromeda Galaxy is one of the few visible to the unaided eye, appearing as a milky blur.
Sharpest ever view of the Andromeda Galaxy | ESA/Hubble
2015年1月5日 · Sharpest ever view of the Andromeda Galaxy. This image, captured with the NASA/ESA Hubble Space Telescope, is the largest and sharpest image ever taken of the Andromeda galaxy — otherwise known as M31. This is a cropped version of the full image and has 1.5 billion pixels.
APOD: 2018 December 17 - M31: The Andromeda Galaxy
2018年12月17日 · The several distinct stars that surround Andromeda's image are actually stars in our Galaxy that are well in front of the background object. Andromeda is frequently referred to as M31 since it is the 31st object on Messier 's list of diffuse sky objects.
APOD: 2023 March 22 – M31: The Andromeda Galaxy
The most distant object easily visible to the unaided eye is M31, the great Andromeda Galaxy, over two million light-years away. Without a telescope, even this immense spiral galaxy appears as an unremarkable, faint, nebulous cloud in the constellation Andromeda.
Hubble’s High-Definition Panoramic View of the Andromeda Galaxy
The largest NASA Hubble Space Telescope image ever assembled, this sweeping bird’s-eye view of a portion of the Andromeda galaxy (M31) is the sharpest large composite image ever taken of our galactic next-door neighbor.