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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 are prone to environmental effects like colliding with large galaxies and intergalactic clouds.
2 ημέρες πριν · The smallest irregular galaxies have diameters of thousands of light-years. Irregular galaxies make up 25% of all galaxies in the observable universe. Ages of irregular galaxies range from 100 million to 1 billion years. Irregular galaxies can emit as much light as 10^11 suns, despite their small size. The Large and Small Magellanic Clouds are ...
10 Ιαν 2020 · These odd, blobby ones are called "irregular" galaxies. Sometimes they get lumped in with the so-called "peculiar" galaxies due to their unusual shapes or other characteristics. Hubble Space Telescope's deepest view of the cosmos. There are hundreds of galaxies of all shapes and sizes in this image. NASA/ESA/STScI.
28 Μαΐ 2024 · Irregular galaxies are notable for their active star-forming regions, which are often illuminated by clusters of young, hot stars. These areas appear as bright, nebulous patches against the darker backdrop of the galaxy.
25 Νοε 2024 · Galaxy - Irregular, Star Clusters, Nebulae: Most representatives of this class consist of grainy, highly irregular assemblages of luminous areas. They have neither noticeable symmetry nor an obvious central nucleus, and they are generally bluer in colour than are the arms and disks of spiral galaxies.
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 mass to large ones weighing 10 billion solar masses.
4 Ιαν 2019 · The remaining 3 percent of the galaxies in the universe are known as irregular galaxies. They are neither round nor boast spiral arms, and their shapes lack specific definition. The gravity...
