This is a list of largest galaxies known, sorted by order of increasing major axis diameters. The unit of measurement used is the light-year (approximately 9.46 × 10 12 kilometers).

Jun 9, 2023 · Of all the known galaxies, which ones happen to be the largest and how big are they? To date, the biggest galaxy that has been discovered is IC 1101. IC 1101 is classified as …

Dec 4, 2018 · IC 1101 is the largest galaxy in the observable universe. This supergiant elliptical galaxy is estimated to be around 2000 times larger than our Milky Way Galaxy, and also …

Dec 9, 2024 · This galaxy, UGC 2885, also known as Rubin’s galaxy, is the largest spiral galaxy ever discovered, and possesses about 10 times as many stars as the Milky Way.

Oct 15, 2025 · Alcyoneus is, as of Feb 2022, the largest known galaxy in the universe. It is believed to be over 16 Million Light Years across and is over 3 billion light years from the Earth.

Feb 4, 2025 · IC 1101 is the biggest known galaxy, stretching 6 million light-years across and it is nearly 60 times wider than the Milky Way. This huuge giant is actually an elliptical galaxy, …

Alcyoneus has been described as a giant radio galaxy, a special class of objects characterized by the presence of radio lobes generated by relativistic jets powered by the central galaxy's …

3 days ago · Scientists have created a new catalog of galaxy clusters using observations from the Dark Energy Survey, mapping the universe's largest structures to study dark matter, dark …

Oct 3, 2025 · What is the biggest object in the universe? Learn more about the biggest objects in the universe, including galaxies, galaxy clusters, and dark matter. The biggest objects in the …

Alcyoneus is the largest known galaxy in size, while galaxy IC 1101 has the most stars. Long answer: Alcyoneus measures 16 million light-years across, making it easily the largest known …