
Irregular galaxy - Wikipedia
Irregular galaxies are commonly small, about one tenth the mass of the Milky Way galaxy, though there are also unusual cases of large irregulars like UGC 6697. Due to their small sizes, they …
Galaxy - Irregular, Star Clusters, Nebulae | Britannica
6 days ago · Hubble recognized these two types of irregular galaxies, Irr I and Irr II. The Irr I type is the most common of the irregular systems, and it seems to fall naturally on an extension of …
Galaxy Types - NASA Science
Dec 8, 2025 · Irregular galaxies have unusual shapes, like toothpicks, rings, or even little groupings of stars. They range from dwarf irregular galaxies with 100 million times the Sun’s …
What Are Irregular Galaxies and How Do They Form?
2 days ago · Galaxies are vast collections of stars, gas, dust, and dark matter held together by gravity. Astronomers typically classify these structures into distinct morphological categories, …
Formation and Types of Irregular Galaxies - ThoughtCo
May 8, 2025 · Irregular galaxies look different because they can form from galaxy collisions and gravitational interactions. A fourth of all known galaxies are irregular, often full of active star …
Irregular Galaxies - Ask An Earth and Space Scientist
When it’s not clear what group the galaxy should go in, astronomers usually call the galaxy irregular. Irregular galaxies do seem to have things in common with each other, though. They …
Irregular Galaxy – Definition & Detailed Explanation - Sentinel …
Nov 19, 2025 · Irregular galaxies are a type of galaxy that do not have a distinct shape or structure like spiral or elliptical galaxies. They are often chaotic in appearance, lacking the …
Irregular Galaxies – Introduction to Astronomy
Irregular galaxies are those galaxies, which look neither Elliptical nor Spiral and have no true shape or form. Irregulars make up a smaller percentage of all galaxies, estimated to be about …
20 Facts About Irregular Galaxies - OhMyFacts
Nov 7, 2025 · Explore 20 fascinating facts about irregular galaxies, from their unique shapes to their role in the universe. Delve into the mysteries of these captivating cosmic structures.
Irregular galaxy explained
What is an Irregular galaxy? An irregular galaxy is a galaxy that does not have a distinct regular shape, unlike a spiral or an elliptical galaxy.