The largest known galaxy, IC 1101, has a diameter of about 6 million light-years.
Fact #10375
👍 0 · 👎 0
More Space Facts
The Milky Way and Andromeda galaxies are on a slow collision course.
Fact #1613 · Space
A day on Mercury lasts longer than a year on Mercury.
Fact #102 · Space
The Sun accounts for more than 99% of the mass of our solar system.
Fact #40 · Space
The observable universe is about 93 billion light‑years wide.
Fact #1865 · Space
The Moon is slowly moving away from Earth.
Fact #1691 · Space
The Earth's rotation slightly bulges at the equator.
Fact #325 · Space
The light you see from some stars today began traveling before humans existed.
Fact #1830 · Space
The Voyager Golden Record was sent into space containing sounds and images from Earth.
Fact #1000 · Space
Want more facts?
We have over 11,491 facts across 15 categories.