The observable universe is about 93 billion light‑years wide.
Fact #1750
More Space Facts
The Earth orbits the Sun once every year.
Fact #296 · Space
Some galaxies appear distorted due to gravitational effects.
Fact #1629 · Space
Mercury has extreme temperature differences.
Fact #147 · Space
The Earth's atmosphere protects life by filtering harmful radiation.
Fact #214 · Space
The Moon has no breathable atmosphere.
Fact #162 · Space
Light from distant galaxies shows us the past.
Fact #1682 · Space
Venus has surface temperatures hot enough to melt lead.
Fact #215 · Space
The Earth's atmosphere is layered into troposphere, stratosphere, and beyond.
Fact #277 · Space
Want more facts?
We have over 11,491 facts across 15 categories.