List of largest galaxies - Wikipedia
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).
IC 1101 - Wikipedia
IC 1101 is a class S0 supergiant lenticular galaxy at the center of the Abell 2029 galaxy cluster. It has an isophotal diameter at about 123.65 to 169.61 kiloparsecs (400,000 to 550,000 light-years).
The Ten Largest Galaxies In The Universe - WorldAtlas
2023年6月9日 · The largest known galaxy in the universe is IC 1101 at four million light years across. All of the largest galaxies are either elliptical galaxies or spiral galaxies. Most galaxies grow to their current size by absorbing other galaxies. Galaxies come in a …
The Biggest Galaxy Ever Found Has Just Been Discovered, And It …
2022年2月15日 · Astronomers have just found an absolute monster of a galaxy. Lurking some 3 billion light-years away, Alcyoneus is a giant radio galaxy reaching 5 megaparsecs into space. That's 16.3 million light-years long, and constitutes the largest known structure of galactic origin.
IC 1101: One of the Largest Galaxies Known - Constellation Guide
2021年1月18日 · IC 1101 is a supergiant elliptical galaxy located in the constellation Virgo. With a radius of about 2 million light years and home to 100 trillion stars, it is one of the largest galaxies known, as well as one of the most luminous.
Galaxies - NASA Science
The largest contain trillions of stars and can be more than a million light-years across. The smallest can contain a few thousand stars and span just a few hundred light-years. Most large galaxies have supermassive black holes at their centers, some with billions of …
The Most Massive Galaxies in the Universe | Center for …
2012年11月1日 · The most massive galaxies in the universe (as far as astronomers know) contain about five hundred billion solar-masses of material; our Milky Way galaxy, for comparison, has a total mass of roughly about one hundred billion solar masses.
Alcyoneus Galaxy Facts, Size & Picture - Universe Guide
2023年8月14日 · 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.
New discovery anoints Alcyoneus as the largest galaxy of all - Big …
2022年2月21日 · A newly discovered radio feature originating from the same galaxy has been measured to span an unprecedented 16 million light-years across, making Alcyoneus the largest known galaxy of all.
Even among ‘giant’ galaxies this one is record-setting - Nature
2022年4月7日 · Martijn Oei at Leiden University in the Netherlands and his colleagues have discovered the largest known giant radio galaxy by analysing images obtained from a vast array of radio antennas. At...
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