Milky Way - Wikipedia
The Milky Way is a barred spiral galaxy with a D 25 isophotal diameter estimated at 26.8 ± 1.1 kiloparsecs (87,400 ± 3,600 light-years), [10] but only about 1,000 light-years thick at the spiral arms …
Milky Way Galaxy | Size, Definition, & Facts | Britannica
Dec 7, 2025 · Milky Way Galaxy (sometimes simply called the Galaxy), large spiral system of about several hundred billion stars, one of which is the Sun. It takes its name from the Milky Way, the …
The Size of Our Galaxy Stretches Tens of Thousands of Light Years ...
6 days ago · What's the size of the Milky Way galaxy? Learn how, depending on your definition, the size can change.
How big is Milky Way? | Scale of the Universe
Our Milky Way is about 100,000 light-years in diameter! To give you an idea of what that means, a light-year is the distance that light can travel in one year, which is roughly 5.88 trillion miles.
What Is a Milky Way | Milky Way Galaxy Facts - Star Walk
May 19, 2025 · The Milky Way is 105,700 light-years wide while the Andromeda Galaxy is 220,000 light-years in width. By the way, the Local Group — a group of multiple galaxies including the Milky Way …
How Big Is The Milky Way? - Universe Today
Jan 20, 2015 · The Milky Way is on a collision course with the most massive member of the group, called M31 or the Andromeda Galaxy. The Milky Way is the second-largest member, with M33 (the …
Our Milky Way Galaxy: How Big is Space? - Science@NASA
Apr 2, 2019 · Our galaxy probably contains 100 to 400 billion stars, and is about 100,000 light-years across. That sounds huge, and it is, at least until we start comparing it to other galaxies. Our …
Milky Way Galaxy: Definition, See, Stars, Center, Facts, Type
Aug 2, 2024 · The Milky Way’s size is still impressive compared to most galaxies in the universe. Research indicates that our galaxy is larger than about 80% of galaxies, which have diameters …
The Milky Way Galaxy: Facts You Should Know
May 3, 2025 · Size and Scale: A Galactic Giant. The Milky Way is immense, with a diameter of about 100,000 light-years. To put that in perspective, light travels at approximately 300,000 kilometers per …
This Is How Big the Milky Way REALLY Is (You’re Not Ready)
3 days ago · The True Scale of the Milky Way Galaxy Will Change How You See the Universe How big is the Milky Way… really? 🌌 This video visualizes the true scale of the Milky Way galaxy, revealing just ...