Milky Way - Wikipedia
The Milky Way and the Andromeda Galaxy are a binary system of giant spiral galaxies belonging to a group of 50 closely bound galaxies known as the Local Group, surrounded by a Local …
The Milky Way Galaxy - NASA Science
Nov 8, 2017 · Using infrared images from NASA’s Spitzer Space Telescope, scientists have discovered that the Milky Way’s elegant spiral structure is dominated by just two arms …
Milky Way Galaxy | Size, Definition, & Facts | Britannica
Jan 15, 2025 · Milky Way Galaxy, large spiral system consisting of several hundred billion stars, one of which is the Sun. It takes its name from the Milky Way, the irregular luminous band of …
Milky Way galaxy: Facts about our cosmic neighborhood | Space
Apr 18, 2023 · The Milky Way galaxy is our cosmic home. A barred spiral galaxy stretching 100,000 light-years across. Here we explore our galactic neighborhood in more detail.
Satellite galaxies of the Milky Way - Wikipedia
The Milky Way has several smaller galaxies gravitationally bound to it, as part of the Milky Way subgroup, which is part of the local galaxy cluster, the Local Group. [1]There are 61 small …
Galaxies - NASA Science
Oct 22, 2024 · Our Milky Way. Our home galaxy is called the Milky Way. It’s a spiral galaxy with a disk of stars spanning more than 100,000 light-years. Earth is located along one of the …
The Milky Way Galaxy - Imagine the Universe!
Sep 23, 2021 · These satellite galaxies of the Milky Way can be seen from the southern hemisphere. Even they are about 160,000 light years from us. The Andromeda Galaxy is a …
Milky Way Galaxy - Structure, Dynamics, Stars | Britannica
Jan 15, 2025 · Milky Way Galaxy - Structure, Dynamics, Stars: The first reliable measurement of the size of the Galaxy was made in 1917 by American astronomer Harlow Shapley. He arrived …
The Milky Way Galaxy - Harvard–Smithsonian Center for …
Today, astronomers study the Milky Way to understand its history, structure, contents, and our place in the galaxy. Like most other large galaxies, the Milky Way harbors a supermassive …
Where Are We In The Milky Way | Milky Way Facts - Star Walk
Feb 25, 2022 · What type of galaxy is the Milky Way? There are four main types of galaxies: spiral, elliptical, peculiar, and irregular. The spiral-shaped Milky Way belongs to the first type; if …